CVE-2022-48279

mod_security: incorrect parsing of HTTP multipart requests leads to web application firewall bypass

Published Jan 20, 2023 CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3283-1 modsecurity-apache security update
EUVD EUVD EUVD-2022-50981 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.
Ubuntu USN Ubuntu USN USN-6370-1 ModSecurity vulnerabilities
History
Type Values Removed Values Added
First Time appeared Owasp
Owasp modsecurity
CPEs cpe:2.3:a:owasp:modsecurity:*:*:*:*:*:*:*:*
Vendors & Products Owasp
Owasp modsecurity
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Apr 3, 2025, 6:43 PM
Reserved
Jan 20, 2023, 12:00 AM
Status
Modified
Published
Jan 20, 2023, 7:15 PM
Modified
Jun 17, 2026, 5:14 AM
Severity
Moderate
Public date
Jan 20, 2023, 12:00 AM