CVE-2022-2809

HIGHNVD 8.28.2
EchelonGraph scoreLOW confidence

This high-severity CVE scores 8.2 under NVD CVSS v3. EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: 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. 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
8.2(low)
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 13× in last 7d / 50× 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. 2026-07-18 10:03 UTCEPSS rescore
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  75. 2026-05-23 09:20 UTCEG score recompute

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Frequently asked(5)

What is CVE-2022-2809?
CVE-2022-2809 is a high vulnerability published on October 27, 2022. A vulnerability in bmcweb of OpenBMC Project allows user to cause denial of service. When fuzzing the multipartparser code using AFL++ with address sanitizer enabled to find smallest memory corruptions possible. It detected problem in how multipartparser handles unclosed http headers. If long…
When was CVE-2022-2809 disclosed?
CVE-2022-2809 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-2022-2809 actively exploited?
CVE-2022-2809 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-2022-2809?
CVE-2022-2809 has a CVSS v3 base score of 8.2 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2022-2809?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-2809, 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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