CVE-2008-5161

LOWNVD 3.73.7—
EchelonGraph scoreMEDIUM confidence

Score 3.7 from GitHub Security Advisory (severity: LOW) published 2022-05-14. NVD baseline CVSS 3.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
3.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 19%CVSS: 3.7Exploit: Metasploit · epss top5pct · public exploitExposed services: Not assessed

A fix is available — apply it.

Error handling in the SSH protocol in (1) SSH Tectia Client and Server and Connector 4.0 through 4.4.11, 5.0 through 5.2.4, and 5.3 through 5.3.8; Client and Server and ConnectSecure 6.0 through 6.0.4; Server for Linux on IBM System z 6.0.4; Server for IBM z/OS 5.5.1 and earlier, 6.0.0, and 6.0.1; and Client 4.0-J through 4.3.3-J and 4.0-K through 4.3.10-K; and (2) OpenSSH 4.7p1 and possibly other versions, when using a block cipher algorithm in Cipher Block Chaining (CBC) mode, makes it easier for remote attackers to recover certain plaintext data from an arbitrary block of ciphertext in an SSH session via unknown vectors.

CVSS v3
3.7
EG Score
3.7LOWmedium confidence
EG Risk
43
EG Risk 43/100CISA SSVC

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
Severity37% × 45%
Exploitation65% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
19%
EPSS %ILE
97th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

November 19, 2008

Last Modified

May 28, 2026

References (80)

Vendor Advisories for CVE-2008-5161(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatopenssh-0:4.3p2-36.el52009-09-02redhat

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

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
openssh—
  • every version up to 1:5.1p1-5: fixed in 1:5.1p1-5
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
openssh—
  • every version up to 1:5.1p1-5: fixed in 1:5.1p1-5
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
openssh—
  • every version up to 1:5.1p1-5: fixed in 1:5.1p1-5
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
openssh—
  • every version up to 1:5.1p1-5: fixed in 1:5.1p1-5
—

Weakness Classification(2)

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

All Vendor Advisories

(1)

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 / 17× 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 128 total refreshes for this CVE.

  1. 2026-10-09 20:00 UTCEPSS rescore
  2. 2026-10-08 16:33 UTCEPSS rescore
  3. 2026-10-07 23:37 UTCEPSS rescore
  4. 2026-10-06 15:09 UTCEPSS rescore
  5. 2026-10-03 22:58 UTCOSV refresh
  6. 2026-10-03 14:20 UTCEPSS rescore
  7. 2026-10-01 19:42 UTCEPSS rescore
  8. 2026-09-30 14:57 UTCEPSS rescore
  9. 2026-09-29 07:53 UTCEG score recompute
  10. 2026-09-26 15:52 UTCEPSS rescore
  11. 2026-09-18 19:20 UTCEPSS rescore
  12. 2026-09-17 19:20 UTCEPSS rescore
  13. 2026-09-15 03:04 UTCEPSS rescore
  14. 2026-09-14 13:14 UTCOSV refresh
  15. 2026-09-13 16:40 UTCEPSS rescore
  16. 2026-09-12 14:54 UTCEPSS rescore
  17. 2026-09-10 09:24 UTCEPSS rescore
  18. 2026-09-06 13:41 UTCEPSS rescore
  19. 2026-09-05 15:22 UTCEPSS rescore
  20. 2026-09-04 13:55 UTCEPSS rescore
  21. 2026-09-04 04:59 UTCEPSS rescore
  22. 2026-08-30 01:14 UTCEPSS rescore
  23. 2026-08-28 21:34 UTCEPSS rescore
  24. 2026-08-26 14:13 UTCOSV refresh
  25. 2026-08-15 01:24 UTCEPSS rescore
Show 75 more
  1. 2026-08-10 03:10 UTCOSV refresh
  2. 2026-08-08 16:31 UTCEPSS rescore
  3. 2026-08-07 16:21 UTCEPSS rescore
  4. 2026-08-06 13:41 UTCEPSS rescore
  5. 2026-08-05 19:11 UTCEPSS rescore
  6. 2026-08-04 15:03 UTCEPSS rescore
  7. 2026-08-03 10:28 UTCEPSS rescore
  8. 2026-07-25 14:12 UTCEPSS rescore
  9. 2026-07-25 03:41 UTCOSV refresh
  10. 2026-07-24 14:12 UTCEPSS rescore
  11. 2026-07-23 14:14 UTCEPSS rescore
  12. 2026-07-23 00:57 UTCEG score recompute
  13. 2026-07-23 00:35 UTCEG score recompute
  14. 2026-07-23 00:02 UTCEG score recompute
  15. 2026-07-22 21:41 UTCEG score recompute
  16. 2026-07-20 17:03 UTCEPSS rescore
  17. 2026-07-18 09:59 UTCEPSS rescore
  18. 2026-07-16 16:58 UTCEPSS rescore
  19. 2026-07-15 16:54 UTCEPSS rescore
  20. 2026-07-15 16:54 UTCEPSS rescore
  21. 2026-07-13 22:25 UTCEPSS rescore
  22. 2026-07-11 08:22 UTCEPSS rescore
  23. 2026-07-11 08:22 UTCEPSS rescore
  24. 2026-07-09 19:04 UTCEPSS rescore
  25. 2026-07-08 15:09 UTCEPSS rescore
  26. 2026-07-07 22:42 UTCOSV refresh
  27. 2026-07-06 16:23 UTCEPSS rescore
  28. 2026-07-06 02:19 UTCEPSS rescore
  29. 2026-07-06 02:19 UTCEPSS rescore
  30. 2026-07-05 02:26 UTCEPSS rescore
  31. 2026-07-05 02:26 UTCEPSS rescore
  32. 2026-07-04 06:27 UTCEPSS rescore
  33. 2026-07-02 14:00 UTCEPSS rescore
  34. 2026-07-01 15:02 UTCEPSS rescore
  35. 2026-07-01 15:02 UTCEPSS rescore
  36. 2026-06-30 23:19 UTCEPSS rescore
  37. 2026-06-29 14:02 UTCEPSS rescore
  38. 2026-06-29 14:02 UTCEPSS rescore
  39. 2026-06-28 14:03 UTCEPSS rescore
  40. 2026-06-28 04:52 UTCEPSS rescore
  41. 2026-06-27 03:04 UTCEPSS rescore
  42. 2026-06-25 13:46 UTCEPSS rescore
  43. 2026-06-25 13:46 UTCEPSS rescore
  44. 2026-06-24 14:02 UTCEPSS rescore
  45. 2026-06-24 14:02 UTCEPSS rescore
  46. 2026-06-23 21:29 UTCEPSS rescore
  47. 2026-06-23 21:29 UTCEPSS rescore
  48. 2026-06-21 01:56 UTCEPSS rescore
  49. 2026-06-21 01:56 UTCEPSS rescore
  50. 2026-06-19 19:22 UTCEPSS rescore
  51. 2026-06-19 19:22 UTCEPSS rescore
  52. 2026-06-19 10:25 UTCOSV refresh
  53. 2026-06-18 17:49 UTCEPSS rescore
  54. 2026-06-18 17:49 UTCEPSS rescore
  55. 2026-06-17 17:49 UTCEPSS rescore
  56. 2026-06-17 17:49 UTCEPSS rescore
  57. 2026-06-16 17:49 UTCEPSS rescore
  58. 2026-06-16 17:49 UTCEPSS rescore
  59. 2026-06-15 17:44 UTCEPSS rescore
  60. 2026-06-14 23:13 UTCEPSS rescore
  61. 2026-06-13 22:57 UTCEPSS rescore
  62. 2026-06-12 23:08 UTCEPSS rescore
  63. 2026-06-12 23:08 UTCEPSS rescore
  64. 2026-06-11 13:56 UTCEPSS rescore
  65. 2026-06-10 22:14 UTCEPSS rescore
  66. 2026-06-10 13:17 UTCEPSS rescore
  67. 2026-06-08 14:13 UTCEPSS rescore
  68. 2026-06-05 22:44 UTCEPSS rescore
  69. 2026-06-05 22:44 UTCEPSS rescore
  70. 2026-06-05 06:07 UTCEPSS rescore
  71. 2026-06-04 13:09 UTCEPSS rescore
  72. 2026-06-04 13:09 UTCEPSS rescore
  73. 2026-06-02 20:10 UTCEPSS rescore
  74. 2026-06-02 20:10 UTCEPSS rescore
  75. 2026-06-01 13:49 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Metasploit module). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Metasploitauxiliary/scanner/ssh/ssh_version✓ verified
    First seen Jan 1, 2008

    SSH Version Scanner

    Open source ↗

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2008-5161?
CVE-2008-5161 is a low vulnerability published on November 19, 2008. Error handling in the SSH protocol in (1) SSH Tectia Client and Server and Connector 4.0 through 4.4.11, 5.0 through 5.2.4, and 5.3 through 5.3.8; Client and Server and ConnectSecure 6.0 through 6.0.4; Server for Linux on IBM System z 6.0.4; Server for IBM z/OS 5.5.1 and earlier, 6.0.0, and 6.0.1;…
When was CVE-2008-5161 disclosed?
CVE-2008-5161 was first published on November 19, 2008, with the most recent update on May 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2008-5161 actively exploited?
CVE-2008-5161 is not currently on CISA's Known Exploited Vulnerabilities catalog. EchelonGraph's EG-KEV model classifies it as weaponized: a functional public exploit exists. FIRST EPSS estimates a 19% probability of exploitation in the next 30 days (97th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2008-5161?
CVE-2008-5161 has a CVSS v3 base score of 3.7 (NVD).
How do I remediate CVE-2008-5161?
A fix for CVE-2008-5161 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2008-5161 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-2008-5161

Explore →

Is Your Infrastructure Affected by CVE-2008-5161?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Book a Demo →Browse All CVEs