CVE-2023-50917

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-12-15. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
9.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • Public exploit code is available (Metasploit, epss top5pct, public exploit)
CISA-KEV: Not listedEPSS PROB: 38%CVSS: 9.8Exploit: Metasploit · epss top5pct · public exploitExposed: 0

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

MajorDoMo (aka Major Domestic Module) before 0662e5e allows command execution via thumb.php shell metacharacters. NOTE: this is unrelated to the Majordomo mailing-list manager.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Track*)
EG Risk 75/100SSVC: 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
Severity98% × 45%
Exploitation65% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
38%
EPSS %ILE
98%
KEV
Not listed

Published

December 15, 2023

Last Modified

June 17, 2026

Advisory Details (5)

Auto-updated Jul 26, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
github_commit

commit 3ec3ffb863ea (sergejey/majordomo)

Fix landed in sergejey/majordomo commit 3ec3ffb863ea — awaiting tagged release

https://github.com/sergejey/majordomo/commit/3ec3ffb863ea3c2661ab27d398776c551f4daaac
github_commit

commit 0662e5ebfb13 (sergejey/majordomo)

Fix landed in sergejey/majordomo commit 0662e5ebfb13 — awaiting tagged release

https://github.com/sergejey/majordomo/commit/0662e5ebfb133445ff6154b69c61019357092178
generic

Packet Storm Security

http://packetstormsecurity.com/files/176669/MajorDoMo-Command-Injection.html
generic

Packet Storm Security

http://packetstormsecurity.com/files/176273/MajorDoMo-Remote-Code-Execution.html
generic

Full Disclosure: Disclosure of CVE-2023-50917: RCE Vulnerability in MajorDoM

http://seclists.org/fulldisclosure/2023/Dec/19

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 37× 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. 2026-07-26 14:52 UTCEPSS rescore
  2. 2026-07-25 14:16 UTCEPSS rescore
  3. 2026-07-24 14:16 UTCEPSS rescore
  4. 2026-07-24 14:16 UTCEPSS rescore
  5. 2026-07-23 02:28 UTCEG score recompute
  6. 2026-07-22 23:15 UTCEG score recompute
  7. 2026-07-22 14:06 UTCEPSS rescore
  8. 2026-07-21 15:23 UTCEPSS rescore
  9. 2026-07-21 15:23 UTCEPSS rescore
  10. 2026-07-20 17:06 UTCEPSS rescore
  11. 2026-07-19 14:29 UTCEPSS rescore
  12. 2026-07-19 14:29 UTCEPSS rescore
  13. 2026-07-19 02:27 UTCEPSS rescore
  14. 2026-07-18 10:03 UTCEPSS rescore
  15. 2026-07-18 10:03 UTCEPSS rescore
  16. 2026-07-16 17:01 UTCEPSS rescore
  17. 2026-07-15 16:56 UTCEPSS rescore
  18. 2026-07-15 16:56 UTCEPSS rescore
  19. 2026-07-15 01:59 UTCEPSS rescore
  20. 2026-07-15 01:59 UTCEPSS rescore
  21. 2026-07-15 00:55 UTCOSV refresh
  22. 2026-07-13 22:28 UTCEPSS rescore
  23. 2026-07-13 22:28 UTCEPSS rescore
  24. 2026-07-13 06:11 UTCEPSS rescore
  25. 2026-07-13 06:11 UTCEPSS rescore
Show 46 more
  1. 2026-07-12 05:45 UTCEPSS rescore
  2. 2026-07-11 08:26 UTCEPSS rescore
  3. 2026-07-09 19:08 UTCEPSS rescore
  4. 2026-07-08 15:13 UTCEPSS rescore
  5. 2026-07-06 16:26 UTCEPSS rescore
  6. 2026-07-06 16:26 UTCEPSS rescore
  7. 2026-07-06 02:22 UTCEPSS rescore
  8. 2026-07-02 16:59 UTCEPSS rescore
  9. 2026-07-01 15:05 UTCEPSS rescore
  10. 2026-06-28 14:06 UTCEPSS rescore
  11. 2026-06-28 14:06 UTCEPSS rescore
  12. 2026-06-28 04:55 UTCEPSS rescore
  13. 2026-06-27 03:07 UTCEPSS rescore
  14. 2026-06-27 01:39 UTCOSV refresh
  15. 2026-06-25 13:48 UTCEPSS rescore
  16. 2026-06-25 13:48 UTCEPSS rescore
  17. 2026-06-24 14:04 UTCEPSS rescore
  18. 2026-06-24 14:04 UTCEPSS rescore
  19. 2026-06-23 21:31 UTCEPSS rescore
  20. 2026-06-23 21:31 UTCEPSS rescore
  21. 2026-06-22 14:24 UTCEPSS rescore
  22. 2026-06-22 14:24 UTCEPSS rescore
  23. 2026-06-21 01:58 UTCEPSS rescore
  24. 2026-06-21 01:58 UTCEPSS rescore
  25. 2026-06-19 19:24 UTCEPSS rescore
  26. 2026-06-19 19:24 UTCEPSS rescore
  27. 2026-06-18 17:51 UTCEPSS rescore
  28. 2026-06-17 17:51 UTCEPSS rescore
  29. 2026-06-16 17:51 UTCEPSS rescore
  30. 2026-06-16 17:51 UTCEPSS rescore
  31. 2026-06-15 17:47 UTCEPSS rescore
  32. 2026-06-12 23:11 UTCEPSS rescore
  33. 2026-06-12 23:10 UTCEPSS rescore
  34. 2026-06-09 11:58 UTCOSV refresh
  35. 2026-06-08 14:16 UTCEPSS rescore
  36. 2026-06-08 14:16 UTCEPSS rescore
  37. 2026-06-05 22:46 UTCEPSS rescore
  38. 2026-06-05 22:46 UTCEPSS rescore
  39. 2026-05-31 00:15 UTCEPSS rescore
  40. 2026-05-31 00:15 UTCEPSS rescore
  41. 2026-05-29 13:43 UTCEPSS rescore
  42. 2026-05-28 13:44 UTCEPSS rescore
  43. 2026-05-26 13:43 UTCEPSS rescore
  44. 2026-05-26 13:43 UTCEPSS rescore
  45. 2026-05-24 11:52 UTCEG score recompute
  46. 2026-05-24 11:52 UTCGHSA enrichment

Publicly available exploits

(3 references)

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

  • Metasploitexploit/linux/http/majordomo_cmd_inject_cve_2023_50917✓ verified
    First seen Dec 15, 2023

    MajorDoMo Command Injection

    Open source ↗
  • GitHub PoCChocapikk/CVE-2023-50917
    First seen Oct 29, 2023

    MajorDoMo Unauthenticated RCE: Deep Dive & Exploitation Techniques

    Open source ↗
  • Nucleihttp/cves/2023/CVE-2023-50917.yaml
    First seen Jan 1, 2023

    MajorDoMo thumb.php - OS Command Injection

    Open source ↗

Frequently asked(5)

What is CVE-2023-50917?
CVE-2023-50917 is a critical vulnerability published on December 15, 2023. MajorDoMo (aka Major Domestic Module) before 0662e5e allows command execution via thumb.php shell metacharacters. NOTE: this is unrelated to the Majordomo mailing-list manager.
When was CVE-2023-50917 disclosed?
CVE-2023-50917 was first published in the National Vulnerability Database on December 15, 2023, 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-2023-50917 actively exploited?
CVE-2023-50917 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 38% probability of exploitation in the next 30 days, which ranks it in the top 1.6% of all scored CVEs.
What is the CVSS score of CVE-2023-50917?
CVE-2023-50917 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-50917?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-50917, 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

Explore the affected products and dependency analysis for CVE-2023-50917

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