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CVE record · CVE-2022-39957

Response body bypass in OWASP ModSecurity Core Rule Set via a specialy crafted charset in the HTTP Accept header

CVSS 7.3 HighEPSS 0.0100 · 63rd percentile

Published by the CVE Program (CNA: NCSC.ch) at 20 Sept 2022, 00:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
OWASP ModSecurity Core Rule Set
  • affected 3.0.x
  • affected 3.1.x
  • affected unspecified to 3.2.1, inclusive custom
  • affected unspecified to 3.3.2, inclusive custom
Identifiers
CVE-2022-39957
CNA
NCSC.ch
Weakness (CWE)
CWE-693
Tags
Published
20 Sept 2022
Updated
3 Nov 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.3 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CNA (NCSC.ch)
  • CISA KEV Not listed.
  • EPSS 0.0100, the 63rd percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 20 Sept 2022. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.