CVE-2022-3409

HIGHNVD 8.27.5▼
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-10-27. NVD baseline CVSS 8.2; sources differ by 0.7.

Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, nvd
8.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.2Exploit: NoneExposed: 0

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

A vulnerability in bmcweb of OpenBMC Project allows user to cause denial of service. This vulnerability was identified during mitigation for CVE-2022-2809. When fuzzing the multipart_parser code using AFL++ with address sanitizer enabled to find smallest memory corruptions possible. It detected problem in how multipart_parser handles unclosed http headers. If long enough http header is passed in the multipart form without colon there is one byte overwrite on heap. It can be conducted multiple times in a loop to cause DoS.

CVSS v3
8.2
EG Score
7.5(medium)
EPSS
44.4%
KEV
Not listed

Published

October 27, 2022

Last Modified

November 21, 2024

References (2)

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 49× 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 104 total refreshes for this CVE.

  1. 2026-07-20 17:05 UTCEPSS rescore
  2. 2026-07-19 14:29 UTCEPSS rescore
  3. 2026-07-19 02:27 UTCEPSS rescore
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  45. 2026-06-07 19:16 UTCOSV refresh
  46. 2026-06-07 15:23 UTCEPSS rescore
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  48. 2026-06-06 13:46 UTCEPSS rescore
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  74. 2026-05-26 07:17 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2022-3409?
CVE-2022-3409 is a high vulnerability published on October 27, 2022. A vulnerability in bmcweb of OpenBMC Project allows user to cause denial of service. This vulnerability was identified during mitigation for CVE-2022-2809. When fuzzing the multipartparser code using AFL++ with address sanitizer enabled to find smallest memory corruptions possible. It detected…
When was CVE-2022-3409 disclosed?
CVE-2022-3409 was first published in the National Vulnerability Database on October 27, 2022, 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-2022-3409 actively exploited?
CVE-2022-3409 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 44.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-3409?
CVE-2022-3409 has a CVSS v3 base score of 8.2 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.5.
How do I remediate CVE-2022-3409?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-3409, 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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