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CVE-2022-48279

HIGH
7.5
CVSS Score
Published: January 20, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:14 AM UTC
3 products affected across 3 vendorsDebian LinuxModsecurityModsecurity

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

In ModSecurity before 2.9.6 and 3.x before 3.0.8, HTTP multipart requests were incorrectly parsed and could bypass the Web Application Firewall. NOTE: this is related to CVE-2022-39956 but can be considered independent changes to the ModSecurity (C language) codebase.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
10.0
Modsecurity· Owasp
95%
3.0.0 ≤ v < 3.0.8
Affected range stops below 3.0.8, so it looks safe — our inference, not a vendor statement
Modsecurity· Trustwave
95%
v < 2.9.6
Affected range stops below 2.9.6, so it looks safe — our inference, not a vendor statement

References (9)

Not Applicable
Source: [email protected]
https://coreruleset.org/20220919/crs-version-3-3-3-and-3-2-2-covering-several-cves/
PatchThird Party Advisory
Source: [email protected]
https://github.com/SpiderLabs/ModSecurity/pull/2795
PatchThird Party Advisory
Source: [email protected]
https://github.com/SpiderLabs/ModSecurity/pull/2797
Release NotesThird Party Advisory
Source: [email protected]
https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.6
Release NotesThird Party Advisory
Source: [email protected]
https://github.com/SpiderLabs/ModSecurity/releases/tag/v3.0.8
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/01/msg00023.html
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYRTXTOQQI6SB2TLI5QXU76DURSLS4XI/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-436

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