CVE-2013-6662

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2022-05-17. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 6.5Exploit: None knownExposed services: Not assessed

A fix is referenced (a reference tagged "Patch", often a source commit), but no release containing it is confirmed — find the release that contains it; until it is applied, mitigate (WAF / firewall / segmentation).

Google Chrome caches TLS sessions before certificate validation occurs.

CVSS v3
6.5
EG Score
6.5MEDIUMmedium confidence
EG Risk
34
EG Risk 34/100CISA 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
Severity65% × 45%
Exploitation0% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
Action: A fix is referenced, but no release containing it is confirmed. Check the referenced fix and the vendor's advisory for a release that contains it and apply that within your standard update timelines at low or medium mission impact and sooner than that at high; until then, restrict network exposure of the affected system or apply the vendor's mitigation.
EPSS PROB
0.3%
EPSS %ILE
26th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).

A fix is referenced, but no release containing it is confirmed. Check the referenced fix and the vendor's advisory for a release that contains it and apply that within your standard update timelines at low or medium mission impact and sooner than that at high; until then, restrict network exposure of the affected system or apply the vendor's mitigation.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). 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

April 13, 2017

Last Modified

June 17, 2026

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 19× 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.

  1. 2026-10-09 20:01 UTCEPSS rescore
  2. 2026-10-08 16:34 UTCEPSS rescore
  3. 2026-10-07 23:39 UTCEPSS rescore
  4. 2026-10-06 15:11 UTCEPSS rescore
  5. 2026-10-05 17:38 UTCEPSS rescore
  6. 2026-10-04 23:16 UTCEPSS rescore
  7. 2026-09-30 14:58 UTCEPSS rescore
  8. 2026-09-30 00:16 UTCEG score recompute
  9. 2026-09-28 13:45 UTCEPSS rescore
  10. 2026-09-27 13:39 UTCEPSS rescore
  11. 2026-09-26 15:53 UTCEPSS rescore
  12. 2026-09-21 20:25 UTCEPSS rescore
  13. 2026-09-20 20:08 UTCEPSS rescore
  14. 2026-09-18 19:21 UTCEPSS rescore
  15. 2026-09-17 19:21 UTCEPSS rescore
  16. 2026-09-15 03:04 UTCEPSS rescore
  17. 2026-09-13 16:41 UTCEPSS rescore
  18. 2026-09-12 14:55 UTCEPSS rescore
  19. 2026-09-11 09:30 UTCEPSS rescore
  20. 2026-09-07 15:56 UTCEPSS rescore
  21. 2026-09-04 13:55 UTCEPSS rescore
  22. 2026-08-30 19:12 UTCEPSS rescore
  23. 2026-08-27 14:20 UTCEPSS rescore
  24. 2026-08-26 14:41 UTCEPSS rescore
  25. 2026-08-25 13:43 UTCEPSS rescore
Show 20 more
  1. 2026-08-23 00:13 UTCEPSS rescore
  2. 2026-08-21 23:44 UTCEPSS rescore
  3. 2026-08-20 22:50 UTCEPSS rescore
  4. 2026-08-19 16:59 UTCEPSS rescore
  5. 2026-08-18 13:43 UTCEPSS rescore
  6. 2026-08-16 14:50 UTCEPSS rescore
  7. 2026-08-16 02:09 UTCEPSS rescore
  8. 2026-08-15 01:25 UTCEPSS rescore
  9. 2026-08-09 13:42 UTCEPSS rescore
  10. 2026-08-08 16:31 UTCEPSS rescore
  11. 2026-08-07 16:21 UTCEPSS rescore
  12. 2026-08-06 13:42 UTCEPSS rescore
  13. 2026-08-05 19:12 UTCEPSS rescore
  14. 2026-08-04 15:04 UTCEPSS rescore
  15. 2026-08-01 04:11 UTCEPSS rescore
  16. 2026-07-30 16:23 UTCEPSS rescore
  17. 2026-07-30 01:26 UTCEPSS rescore
  18. 2026-07-28 15:31 UTCEPSS rescore
  19. 2026-07-27 13:03 UTCEG score recompute
  20. 2026-07-27 13:02 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2013-6662?
CVE-2013-6662 is a medium vulnerability published on April 13, 2017. Google Chrome caches TLS sessions before certificate validation occurs.
When was CVE-2013-6662 disclosed?
CVE-2013-6662 was first published on April 13, 2017, 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-2013-6662 actively exploited?
CVE-2013-6662 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (26th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2013-6662?
CVE-2013-6662 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2013-6662?
A fix for CVE-2013-6662 is referenced (a reference tagged "Patch", often a source commit), but EchelonGraph has no release containing it on record. Check that reference and the vendor's advisory for a release that contains the fix and update to it; until then, restrict network exposure of the affected system or apply the vendor's mitigation.

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