CVE-2016-2183

CRITICALNVD 7.59.0
EchelonGraph scoreHIGH confidence

“▲” beside the score: it is higher than NVD's CVSS score.

Score elevated to 9.0 because EPSS predicted 95% probability of exploitation within the next 30 days (99th percentile of EPSS-scored CVEs) when EchelonGraph scored this CVE. NVD baseline CVSS 7.5 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction (continuous uplift above 30%)
Sources: EPSS, GitHub Security Advisory, NVD CVSS v3
Trending — 4 sources updated this weekWeaponized
9.0EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines at low or medium mission impact and sooner than that at high (the SSVC decision on this page).
  • High exploitation likelihood — EPSS 95%
  • CISA's Vulnrichment rates exploitation as PoC; EchelonGraph holds no exploit-code reference for it
CISA-KEV: Not listedEPSS PROB: 95%CVSS: 7.5Exploit: No code on recordExposed services: Not assessed

A fix is available — apply it.

The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other protocols and products, have a birthday bound of approximately four billion blocks, which makes it easier for remote attackers to obtain cleartext data via a birthday attack against a long-duration encrypted session, as demonstrated by an HTTPS session using Triple DES in CBC mode, aka a "Sweet32" attack.

CVSS v3
7.5
EG Score
9.0CRITICALhigh confidence
EG Risk
87
EG Risk 87/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity75% × 45%
Impact severity (EG Severity): CVSS 7.5 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation95% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability100% × 15%
CISA's SSVC Automatable value: yes (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Attend at high (mission-essential systems).
Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
95%
EPSS %ILE
99th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (9.0): severity, escalated by confirmed exploitation. This CVE's 9.0 is EPSS's lift toward 9.0 from its impact severity (EG Severity, CVSS 7.5 HIGH): a likelihood of exploitation, not impact.

EG Severity
7.5 HIGHCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
95% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-19). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at low or medium mission impact; Attend at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; 60 days if it is not.Each input and its source: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; 60 days if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

September 1, 2016

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Oct 14, 2026
Patch available.

Patch Availability(27)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntuopenjdk-6-jre-lib (6b41-1.13.13-0ubuntu0.12.04.1) @ precise2026-10-17ubuntu
ubuntuopenjdk-7-source (7u121-2.6.8-1ubuntu0.14.04.3) @ trusty2026-10-17ubuntu
ubuntulibnss3 (2:3.28.4-0ubuntu0.16.10.1) @ yakkety2026-10-17ubuntu
ubuntuopenjdk-8-jre-zero (8u121-b13-0ubuntu1.16.10.2) @ yakkety2026-10-17ubuntu
ubuntuopenssl (1.0.2g-1ubuntu4.4) @ xenial2026-10-17ubuntu
ubuntulibnss3 (2:3.28.4-0ubuntu0.12.04.1) @ precise2026-10-17ubuntu
redhatopenshift4/ose-machine-config-operator:v4.8.0-202107011817.p0.git.29813c8.assembly.stream2021-07-27redhat
redhatopenshift4/ose-etcd:v4.6.0-202101300140.p02021-02-08redhat
redhatopenshift4/ose-console:v4.5.0-202009201759.p02020-10-01redhat
redhatopenshift3/oauth-proxy:v3.11.170-52020-02-19redhat
redhatopenshift4/ose-oauth-proxy:v4.1.18-2019092019152019-09-27redhat
redhatopenshift3/snapshot-provisioner:v3.11.141-22019-09-03redhat
redhatpatch2019-05-20redhat
redhatpython-0:2.7.5-69.el7_52018-07-03redhat
redhatopenssl2017-11-16redhat
redhatmod_cluster-native-0:1.2.13-9.Final_redhat_2.ep6.el72017-11-16redhat
redhatpatch2017-11-02redhat
redhattomcat7-0:7.0.54-28_patch_05.ep6.el72017-11-02redhat
redhatjbcs-httpd24-openssl-1:1.0.2h-14.jbcs.el72017-09-13redhat
redhatjbcs-httpd24-openssl-1:1.0.2h-14.jbcs.el62017-09-13redhat
redhatpatch2017-09-13redhat
redhatjava-1.7.1-ibm-1:1.7.1.4.1-1jpp.1.el6_82017-05-09redhat
redhatjava-1.8.0-ibm-1:1.8.0.4.1-1jpp.2.el72017-03-08redhat
redhatjava-1.7.1-ibm-1:1.7.1.4.1-1jpp.2.el72017-02-28redhat
redhatjava-1.7.0-ibm-1:1.7.0.10.1-1jpp.1.el5_112017-02-28redhat
redhatjava-1.6.0-ibm-1:1.6.0.16.41-1jpp.1.el6_82017-02-28redhat
redhatopenssl-1:1.0.1e-51.el7_2.72016-09-27redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(7 across 7 ecosystems)
Alpine:v3.2(1)
PackageVulnerable rangeFix by version rangeDependents
openssl—
  • every version up to 1.0.2i-r0: fixed in 1.0.2i-r0
—
Alpine:v3.3(1)
PackageVulnerable rangeFix by version rangeDependents
openssl—
  • every version up to 1.0.2i-r0: fixed in 1.0.2i-r0
—
Alpine:v3.4(1)
PackageVulnerable rangeFix by version rangeDependents
openssl—
  • every version up to 1.0.2i-r0: fixed in 1.0.2i-r0
—
Alpine:v3.5(1)
PackageVulnerable rangeFix by version rangeDependents
openssl—
  • every version up to 1.0.2i-r0: fixed in 1.0.2i-r0
—
Alpine:v3.6(1)
PackageVulnerable rangeFix by version rangeDependents
openssl—
  • every version up to 1.0.2i-r0: fixed in 1.0.2i-r0
—
Alpine:v3.7(1)
PackageVulnerable rangeFix by version rangeDependents
openssl—
  • every version up to 1.0.2i-r0: fixed in 1.0.2i-r0
—
Alpine:v3.8(1)
PackageVulnerable rangeFix by version rangeDependents
openssl—
  • every version up to 1.0.2i-r0: fixed in 1.0.2i-r0
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(5)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 23× in last 7d / 32× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 84 of 87 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 16 repeat rows among the latest 100 are merged into the row they repeat. The 3 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-20 02:15 UTCEG score recompute
  2. 2026-10-20 02:15 UTCVendor advisory
  3. 2026-10-20 02:15 UTCGHSA enrichmentGHSA-w2rw-pv8p-h9c8 · GitHub severity HIGH · GitHub CVSS 7.5
  4. 2026-10-19 16:26 UTCEPSS rescoreEPSS 95% · 99th percentile
  5. 2026-10-19 01:34 UTCEG score recompute
  6. 2026-10-19 01:34 UTCVendor advisory
  7. 2026-10-19 01:34 UTCGHSA enrichmentGHSA-w2rw-pv8p-h9c8 · GitHub severity HIGH · GitHub CVSS 7.5
  8. 2026-10-18 03:09 UTCEG score recompute
  9. 2026-10-18 03:09 UTCVendor advisory
  10. 2026-10-18 03:08 UTCGHSA enrichmentGHSA-w2rw-pv8p-h9c8 · GitHub severity HIGH · GitHub CVSS 7.5
  11. 2026-10-17 04:39 UTCEG score recompute
  12. 2026-10-17 04:39 UTCVendor advisory
  13. 2026-10-17 04:39 UTCGHSA enrichmentGHSA-w2rw-pv8p-h9c8 · GitHub severity HIGH · GitHub CVSS 7.5
  14. 2026-10-16 06:13 UTCEG score recompute
  15. 2026-10-16 06:13 UTCVendor advisory
  16. 2026-10-16 06:12 UTCGHSA enrichmentGHSA-w2rw-pv8p-h9c8 · GitHub severity HIGH · GitHub CVSS 7.5
  17. 2026-10-15 04:49 UTCEG score recompute
  18. 2026-10-15 04:49 UTCVendor advisory
  19. 2026-10-15 04:49 UTCGHSA enrichmentGHSA-w2rw-pv8p-h9c8 · GitHub severity HIGH · GitHub CVSS 7.5
  20. 2026-10-14 16:27 UTCEPSS rescoreEPSS 95% · 99th percentile
  21. 2026-10-14 00:42 UTCEG score recompute
  22. 2026-10-14 00:42 UTCVendor advisory
  23. 2026-10-14 00:42 UTCGHSA enrichmentGHSA-w2rw-pv8p-h9c8 · GitHub severity HIGH · GitHub CVSS 7.5
  24. 2026-10-12 20:46 UTCVendor advisory
  25. 2026-10-12 20:45 UTCGHSA enrichmentGHSA-w2rw-pv8p-h9c8 · GitHub severity HIGH · GitHub CVSS 7.5
Show 59 more
  1. 2026-10-12 20:44 UTCEG score recompute
  2. 2026-10-12 01:08 UTCEG score recompute
  3. 2026-10-05 17:38 UTCEPSS rescoreEPSS 95% · 99th percentile
  4. 2026-09-30 19:40 UTCOSV refresh
  5. 2026-09-30 09:12 UTCEG score recompute
  6. 2026-09-26 15:53 UTCEPSS rescoreEPSS 95% · 99th percentile
  7. 2026-09-24 13:59 UTCEPSS rescoreEPSS 95% · 99th percentile
  8. 2026-09-19 15:35 UTCEPSS rescoreEPSS 96% · 99th percentile
  9. 2026-09-12 02:10 UTCOSV refresh
  10. 2026-09-10 09:26 UTCEPSS rescoreEPSS 96% · 99th percentile
  11. 2026-09-07 15:56 UTCEPSS rescoreEPSS 96% · 99th percentile
  12. 2026-08-30 19:12 UTCEPSS rescoreEPSS 96% · 99th percentile
  13. 2026-08-27 14:20 UTCEPSS rescoreEPSS 96% · 99th percentile
  14. 2026-08-24 07:57 UTCOSV refresh
  15. 2026-08-16 14:51 UTCEPSS rescoreEPSS 96% · 99th percentile
  16. 2026-08-12 13:46 UTCEPSS rescoreEPSS 96% · 99th percentile
  17. 2026-08-08 04:19 UTCOSV refresh
  18. 2026-08-06 13:42 UTCEPSS rescoreEPSS 96% · 99th percentile
  19. 2026-07-25 14:13 UTCEPSS rescoreEPSS 96% · 99th percentile
  20. 2026-07-23 01:22 UTCEG score recompute
  21. 2026-07-22 21:21 UTCEG score recompute▲ 1.50
  22. 2026-07-22 21:21 UTCVendor advisory
  23. 2026-07-22 21:20 UTCGHSA enrichmentGHSA-w2rw-pv8p-h9c8 · GitHub severity HIGH · GitHub CVSS 7.5
  24. 2026-07-22 14:04 UTCEPSS rescoreEPSS 96% · 99th percentile
  25. 2026-07-12 08:07 UTCOSV refresh
  26. 2026-07-06 02:20 UTCEPSS rescoreEPSS 96% · 99th percentile
  27. 2026-06-28 14:04 UTCEPSS rescoreEPSS 96% · 99th percentile
  28. 2026-06-27 03:05 UTCEPSS rescoreEPSS 96% · 99th percentile
  29. 2026-06-23 21:30 UTCEPSS rescoreEPSS 96% · 99th percentile
  30. 2026-06-23 13:30 UTCOSV refresh
  31. 2026-06-16 17:50 UTCEPSS rescoreEPSS 96% · 99th percentile
  32. 2026-06-15 17:45 UTCEPSS rescoreEPSS 96% · 99th percentile
  33. 2026-06-14 23:14 UTCEPSS rescoreEPSS 41% · 97th percentile
  34. 2026-06-13 22:57 UTCEPSS rescoreEPSS 41% · 97th percentile
  35. 2026-06-12 23:09 UTCEPSS rescoreEPSS 41% · 97th percentile
  36. 2026-06-11 13:57 UTCEPSS rescoreEPSS 41% · 97th percentile
  37. 2026-06-10 22:15 UTCEPSS rescoreEPSS 41% · 97th percentile
  38. 2026-06-10 13:18 UTCEPSS rescoreEPSS 41% · 97th percentile
  39. 2026-06-08 14:14 UTCEPSS rescoreEPSS 41% · 97th percentile
  40. 2026-06-06 15:59 UTCOSV refresh
  41. 2026-06-05 22:44 UTCEPSS rescoreEPSS 41% · 97th percentile
  42. 2026-06-05 06:08 UTCEPSS rescoreEPSS 41% · 97th percentile
  43. 2026-06-04 13:10 UTCEPSS rescoreEPSS 41% · 97th percentile
  44. 2026-06-02 20:10 UTCEPSS rescoreEPSS 41% · 97th percentile
  45. 2026-06-01 13:49 UTCEPSS rescoreEPSS 41% · 97th percentile
  46. 2026-05-31 22:28 UTCEPSS rescoreEPSS 38% · 97th percentile
  47. 2026-05-31 00:14 UTCEPSS rescoreEPSS 38% · 97th percentile
  48. 2026-05-29 13:41 UTCEPSS rescoreEPSS 38% · 97th percentile
  49. 2026-05-28 13:42 UTCEPSS rescoreEPSS 38% · 97th percentile
  50. 2026-05-27 13:38 UTCEPSS rescoreEPSS 38% · 97th percentile
  51. 2026-05-26 07:16 UTCEPSS rescoreEPSS 38% · 97th percentile
  52. 2026-05-24 16:43 UTCEPSS rescoreEPSS 38% · 97th percentile
  53. 2026-05-22 21:15 UTCEPSS rescoreEPSS 38% · 97th percentile
  54. 2026-05-22 18:58 UTCEG score recompute
  55. 2026-05-22 18:58 UTCVendor advisory
  56. 2026-05-22 18:58 UTCGHSA enrichmentGHSA-w2rw-pv8p-h9c8 · GitHub severity HIGH · GitHub CVSS 7.5
  57. 2026-05-22 08:39 UTCOSV refresh
  58. 2026-05-20 22:37 UTCEPSS rescoreEPSS 38% · 97th percentile
  59. 2026-05-20 11:21 UTCEPSS rescoreEPSS 38% · 97th percentile

Frequently asked(5)

What is CVE-2016-2183?
CVE-2016-2183 is a critical-severity vulnerability; its CVE record was published on September 1, 2016. The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other protocols and products, have a birthday bound of approximately four billion blocks, which makes it easier for remote attackers to obtain cleartext data via a birthday attack against a long-duration encrypted…
When was CVE-2016-2183 made public?
CVE-2016-2183 was made public on August 24, 2016: that is the date its CVE record's CNA, Red Hat, Inc., gives for when the vulnerability was made public. The CVE record itself was published on September 1, 2016. EchelonGraph's copy of the record carries a last-modified date of June 17, 2026; the record at its source may have been updated since.
Is CVE-2016-2183 actively exploited?
CVE-2016-2183 is not currently on CISA's Known Exploited Vulnerabilities catalog. EchelonGraph's EG-KEV model places it in Tier 2 (Weaponized), which is not evidence of exploitation: CISA's SSVC data says a public PoC exists and its EPSS is 50% or more. EchelonGraph does not test whether exploit code works. FIRST EPSS estimates a 95% probability of exploitation in the next 30 days (99th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2016-2183?
CVE-2016-2183 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0 (CRITICAL).
How do I remediate CVE-2016-2183?
A fix for CVE-2016-2183 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2016-2183 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2016-2183

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Is Your Infrastructure Affected by CVE-2016-2183?

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