CVE-2023-23761

HIGHNVD 7.77.7—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.7 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 63% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
7.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.7Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to modify other users' secret gists by authenticating through an SSH certificate authority. To do so, a user had to know the secret gist's URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS v3
7.7
EG Score
7.7(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity77% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

April 7, 2023

Last Modified

November 21, 2024

References (10)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 46× 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 117 total refreshes for this CVE.

  1. 2026-07-30 16:26 UTCEPSS rescore
  2. 2026-07-30 01:28 UTCEPSS rescore
  3. 2026-07-30 01:28 UTCEPSS rescore
  4. 2026-07-28 15:34 UTCEPSS rescore
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  9. 2026-07-24 14:15 UTCEPSS rescore
  10. 2026-07-23 14:16 UTCEPSS rescore
  11. 2026-07-23 14:16 UTCEPSS rescore
  12. 2026-07-23 02:19 UTCEG score recompute
  13. 2026-07-22 23:07 UTCEG score recompute▲ 2.40
  14. 2026-07-22 14:06 UTCEPSS rescore
  15. 2026-07-21 15:23 UTCEPSS rescore
  16. 2026-07-20 17:05 UTCEPSS rescore
  17. 2026-07-19 14:29 UTCEPSS rescore
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  19. 2026-07-19 02:27 UTCEPSS rescore
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  21. 2026-07-18 10:03 UTCEPSS rescore
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  23. 2026-07-16 17:01 UTCEPSS rescore
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  25. 2026-07-15 16:56 UTCEPSS rescore
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  1. 2026-07-15 01:58 UTCEPSS rescore
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  3. 2026-07-13 22:28 UTCEPSS rescore
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  5. 2026-07-13 06:11 UTCEPSS rescore
  6. 2026-07-12 05:45 UTCEPSS rescore
  7. 2026-07-12 05:45 UTCEPSS rescore
  8. 2026-07-11 08:25 UTCEPSS rescore
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  10. 2026-07-09 19:08 UTCEPSS rescore
  11. 2026-07-08 15:13 UTCEPSS rescore
  12. 2026-07-07 13:44 UTCEPSS rescore
  13. 2026-07-06 16:26 UTCEPSS rescore
  14. 2026-07-06 16:25 UTCEPSS rescore
  15. 2026-07-06 02:21 UTCEPSS rescore
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  17. 2026-07-04 06:29 UTCEPSS rescore
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  19. 2026-07-02 16:58 UTCEPSS rescore
  20. 2026-07-01 15:04 UTCEPSS rescore
  21. 2026-06-30 23:21 UTCEPSS rescore
  22. 2026-06-29 14:04 UTCEPSS rescore
  23. 2026-06-28 14:06 UTCEPSS rescore
  24. 2026-06-28 14:06 UTCEPSS rescore
  25. 2026-06-28 04:54 UTCEPSS rescore
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  27. 2026-06-27 03:07 UTCEPSS rescore
  28. 2026-06-25 13:48 UTCEPSS rescore
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  30. 2026-06-24 14:03 UTCEPSS rescore
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  32. 2026-06-23 21:31 UTCEPSS rescore
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  34. 2026-06-22 14:24 UTCEPSS rescore
  35. 2026-06-22 14:24 UTCEPSS rescore
  36. 2026-06-21 14:55 UTCEPSS rescore
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  38. 2026-06-21 01:58 UTCEPSS rescore
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  40. 2026-06-19 19:24 UTCEPSS rescore
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  42. 2026-06-18 17:51 UTCEPSS rescore
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  44. 2026-06-17 17:51 UTCEPSS rescore
  45. 2026-06-17 17:51 UTCEPSS rescore
  46. 2026-06-16 17:51 UTCEPSS rescore
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  48. 2026-06-16 17:51 UTCEPSS rescore
  49. 2026-06-15 17:47 UTCEPSS rescore
  50. 2026-06-14 23:16 UTCEPSS rescore
  51. 2026-06-13 22:59 UTCEPSS rescore
  52. 2026-06-12 23:10 UTCEPSS rescore
  53. 2026-06-11 13:59 UTCEPSS rescore
  54. 2026-06-11 13:58 UTCEPSS rescore
  55. 2026-06-10 22:17 UTCEPSS rescore
  56. 2026-06-10 13:21 UTCEPSS rescore
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  58. 2026-06-08 14:15 UTCEPSS rescore
  59. 2026-06-08 14:15 UTCEPSS rescore
  60. 2026-06-07 15:23 UTCEPSS rescore
  61. 2026-06-07 15:23 UTCEPSS rescore
  62. 2026-06-06 13:46 UTCEPSS rescore
  63. 2026-06-06 13:46 UTCEPSS rescore
  64. 2026-06-05 22:46 UTCEPSS rescore
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  66. 2026-06-05 22:46 UTCEPSS rescore
  67. 2026-06-05 06:09 UTCEPSS rescore
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  69. 2026-06-04 13:11 UTCEPSS rescore
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  71. 2026-06-02 20:12 UTCEPSS rescore
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  73. 2026-06-02 20:12 UTCEPSS rescore
  74. 2026-06-01 13:51 UTCEPSS rescore
  75. 2026-06-01 13:50 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2023-23761?
CVE-2023-23761 is a high vulnerability published on April 7, 2023. An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to modify other users' secret gists by authenticating through an SSH certificate authority. To do so, a user had to know the secret gist's URL. This vulnerability affected all…
When was CVE-2023-23761 disclosed?
CVE-2023-23761 was first published in the National Vulnerability Database on April 7, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-23761 actively exploited?
CVE-2023-23761 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 62.3% of all scored CVEs.
What is the CVSS score of CVE-2023-23761?
CVE-2023-23761 has a CVSS v3 base score of 7.7 (NVD).
How do I remediate CVE-2023-23761?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-23761, 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.

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