CVE-2016-0702

MEDIUMNVD 5.15.1—
EchelonGraph scoreMEDIUM confidence

Score 5.1 from GitHub Security Advisory published 2022-05-14. NVD baseline CVSS 5.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 5.1Exploit: None knownExposed: 0

A fix is available — apply it.

The MOD_EXP_CTIME_COPY_FROM_PREBUF function in crypto/bn/bn_exp.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g does not properly consider cache-bank access times during modular exponentiation, which makes it easier for local users to discover RSA keys by running a crafted application on the same Intel Sandy Bridge CPU core as a victim and leveraging cache-bank conflicts, aka a "CacheBleed" attack.

CVSS v3
5.1
EG Score
5.1(medium)
EG Risk
28(Track)
EG Risk 28/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity51% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
78%
KEV
Not listed

Published

March 3, 2016

Last Modified

June 17, 2026

References (88)

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibssl1.0.0 (1.0.2d-0ubuntu1.4) @ wily2026-05-22ubuntu
redhatpatch2016-12-15redhat
redhatrhev-hypervisor7-0:7.2-20160302.1.el7ev2016-03-09redhat
redhatopenssl-1:1.0.1e-51.el7_2.42016-03-01redhat

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

(6 across 6 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
openssl—1.0.2g-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
openssl—1.0.2g-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
openssl—1.0.2g-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
openssl—1.0.2g-1—
Debian:7(1)
PackageVulnerable rangeFixed inDependents
openssl1.0.1e-2 ... 1.0.1e-2+deb7u9 (20 versions)1.0.1e-2+deb7u20—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
openssl1.0.1k-3, 1.0.1k-3+alpha, 1.0.1k-3+deb8u1, 1.0.1k-3+deb8u2, 1.0.1k-3+deb8u31.0.1k-3+deb8u4—

Weakness Classification(1)

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

All Vendor Advisories

(4)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 6× in last 7d / 26× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. 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. Most recent first.

Showing the most recent 100 of 126 total refreshes for this CVE.

  1. 2026-08-20 22:50 UTCEPSS rescore
  2. 2026-08-19 16:59 UTCEPSS rescore
  3. 2026-08-18 13:43 UTCEPSS rescore
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  7. 2026-08-14 13:24 UTCOSV refresh
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  25. 2026-07-23 01:20 UTCEG score recompute
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  1. 2026-07-23 00:22 UTCEG score recompute
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  18. 2026-07-12 11:37 UTCOSV refresh
  19. 2026-07-12 05:42 UTCEPSS rescore
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  24. 2026-07-07 13:42 UTCEPSS rescore
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  26. 2026-07-06 16:24 UTCEPSS rescore
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  43. 2026-06-23 16:50 UTCOSV refresh
  44. 2026-06-22 14:23 UTCEPSS rescore
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  75. 2026-06-02 20:10 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2016-0702?
CVE-2016-0702 is a medium vulnerability published on March 3, 2016. The MODEXPCTIMECOPYFROMPREBUF function in crypto/bn/bnexp.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g does not properly consider cache-bank access times during modular exponentiation, which makes it easier for local users to discover RSA keys by running a crafted application on the…
When was CVE-2016-0702 disclosed?
CVE-2016-0702 was first published in the National Vulnerability Database on March 3, 2016, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-0702 actively exploited?
CVE-2016-0702 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 21.8% of all scored CVEs.
What is the CVSS score of CVE-2016-0702?
CVE-2016-0702 has a CVSS v3 base score of 5.1 (NVD).
How do I remediate CVE-2016-0702?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-0702, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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