CVE-2022-45474

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-11-18. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

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

drachtio-server 0.8.18 has a request-handler.cpp event_cb use-after-free for any request.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
56.9%
KEV
Not listed

Published

November 18, 2022

Last Modified

April 29, 2025

Advisory Details (2)

Auto-updated May 28, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

CVE-2022-45474: Use-after-free in event_cb when drachtio-server receives a call · Issue #240 · drachtio/drachtio-server · GitHub

https://github.com/drachtio/drachtio-server/issues/240
github_commit

commit 860f025468fe (drachtio/drachtio-server)

Fix landed in drachtio/drachtio-server commit 860f025468fe — awaiting tagged release

https://github.com/drachtio/drachtio-server/commit/860f025468feb31c43227153d8fb3f34210a522e

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 44× 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. 2026-07-15 16:56 UTCEPSS rescore
  2. 2026-07-15 16:56 UTCEPSS rescore
  3. 2026-07-15 01:58 UTCEPSS rescore
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  15. 2026-07-04 06:29 UTCEPSS rescore
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  18. 2026-06-30 23:20 UTCEPSS rescore
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  20. 2026-06-29 14:04 UTCEPSS rescore
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  22. 2026-06-28 14:06 UTCEPSS rescore
  23. 2026-06-28 13:31 UTCOSV refresh
  24. 2026-06-28 04:54 UTCEPSS rescore
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  1. 2026-06-27 03:07 UTCEPSS rescore
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  3. 2026-06-25 13:48 UTCEPSS rescore
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  9. 2026-06-21 14:55 UTCEPSS rescore
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  11. 2026-06-21 01:58 UTCEPSS rescore
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  25. 2026-06-11 13:58 UTCEPSS rescore
  26. 2026-06-11 13:58 UTCEPSS rescore
  27. 2026-06-11 00:39 UTCOSV refresh
  28. 2026-06-10 22:17 UTCEPSS rescore
  29. 2026-06-10 13:21 UTCEPSS rescore
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  31. 2026-06-08 14:15 UTCEPSS rescore
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  44. 2026-06-01 13:50 UTCEPSS rescore
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  46. 2026-05-31 22:29 UTCEPSS rescore
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  48. 2026-05-31 00:15 UTCEPSS rescore
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  50. 2026-05-29 13:43 UTCEPSS rescore
  51. 2026-05-28 13:43 UTCEPSS rescore
  52. 2026-05-28 13:43 UTCEPSS rescore
  53. 2026-05-27 13:39 UTCEPSS rescore
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  55. 2026-05-26 13:43 UTCEPSS rescore
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  58. 2026-05-26 07:17 UTCEPSS rescore
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  60. 2026-05-26 07:17 UTCEPSS rescore
  61. 2026-05-25 11:52 UTCEG score recompute
  62. 2026-05-25 11:52 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2022-45474?
CVE-2022-45474 is a critical vulnerability published on November 18, 2022. drachtio-server 0.8.18 has a request-handler.cpp event_cb use-after-free for any request.
When was CVE-2022-45474 disclosed?
CVE-2022-45474 was first published in the National Vulnerability Database on November 18, 2022, with the most recent update on April 29, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-45474 actively exploited?
CVE-2022-45474 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 56.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-45474?
CVE-2022-45474 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-45474?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-45474, 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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