CVE-2022-42136

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2023-01-13. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.9%CVSS: 8.8Exploit: None knownExposed services: Not assessed

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

Authenticated mail users, under specific circumstances, could add files with unsanitized content in public folders where the IIS user had permission to access. That action, could lead an attacker to store arbitrary code on that files and execute RCE commands.

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
40
EG Risk 40/100CISA 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
Severity88% × 45%
Exploitation1% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.9%
EPSS %ILE
57th
KEV
Not listed

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

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (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

January 13, 2023

Last Modified

April 7, 2025

Advisory Details (2)

Auto-updated Aug 9, 2026
No fix on record yet.
generic

MailEnable Vulnerabilities in Webmail for version 10.41, 9.84, 8.64 and earlier

https://www.mailenable.com/kb/content/article.asp?ID=ME020737
generic

Vulnerabilities on MailEnable - Pastebin.com

https://pastebin.com/ahLNMf5n

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× 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 174 total refreshes for this CVE.

  1. 2026-10-09 20:04 UTCEPSS rescore
  2. 2026-10-08 17:05 UTCEPSS rescore
  3. 2026-10-07 23:45 UTCEPSS rescore
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  10. 2026-09-30 16:06 UTCEG score recompute
  11. 2026-09-30 15:01 UTCEPSS rescore
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  1. 2026-09-11 09:33 UTCEPSS rescore
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  8. 2026-09-02 14:09 UTCEPSS rescore
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  10. 2026-08-30 19:15 UTCEPSS rescore
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  20. 2026-08-20 22:53 UTCEPSS rescore
  21. 2026-08-19 17:01 UTCEPSS rescore
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  23. 2026-08-18 13:45 UTCEPSS rescore
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  25. 2026-08-16 14:53 UTCEPSS rescore
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  27. 2026-08-16 02:12 UTCEPSS rescore
  28. 2026-08-15 01:27 UTCEPSS rescore
  29. 2026-08-13 21:58 UTCEPSS rescore
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  31. 2026-08-12 13:48 UTCEPSS rescore
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  34. 2026-08-08 16:34 UTCEPSS rescore
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  37. 2026-08-05 19:15 UTCEPSS rescore
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  39. 2026-08-04 10:35 UTCEPSS rescore
  40. 2026-08-03 10:33 UTCEPSS rescore
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  45. 2026-07-30 16:25 UTCEPSS rescore
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  47. 2026-07-30 01:28 UTCEPSS rescore
  48. 2026-07-28 15:34 UTCEPSS rescore
  49. 2026-07-26 14:52 UTCEPSS rescore
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  51. 2026-07-25 14:15 UTCEPSS rescore
  52. 2026-07-24 14:15 UTCEPSS rescore
  53. 2026-07-23 14:16 UTCEPSS rescore
  54. 2026-07-23 02:14 UTCEG score recompute
  55. 2026-07-22 23:01 UTCEG score recompute
  56. 2026-07-22 14:06 UTCEPSS rescore
  57. 2026-07-21 15:23 UTCEPSS rescore
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  59. 2026-07-20 17:05 UTCEPSS rescore
  60. 2026-07-19 14:29 UTCEPSS rescore
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  63. 2026-07-18 10:03 UTCEPSS rescore
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  65. 2026-07-15 16:56 UTCEPSS rescore
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  67. 2026-07-15 01:58 UTCEPSS rescore
  68. 2026-07-13 22:28 UTCEPSS rescore
  69. 2026-07-13 06:11 UTCEPSS rescore
  70. 2026-07-12 05:44 UTCEPSS rescore
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  73. 2026-07-09 19:08 UTCEPSS rescore
  74. 2026-07-08 15:12 UTCEPSS rescore
  75. 2026-07-07 13:44 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2022-42136?
CVE-2022-42136 is a high vulnerability published on January 13, 2023. Authenticated mail users, under specific circumstances, could add files with unsanitized content in public folders where the IIS user had permission to access. That action, could lead an attacker to store arbitrary code on that files and execute RCE commands.
When was CVE-2022-42136 disclosed?
CVE-2022-42136 was first published on January 13, 2023, with the most recent update on April 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-42136 actively exploited?
CVE-2022-42136 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.9% probability of exploitation in the next 30 days (57th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2022-42136?
CVE-2022-42136 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2022-42136?
No fix for CVE-2022-42136 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.

Dependency Blast Radius

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