HOMEVULNERABILITIESCVE-2022-48279
HIGH

CVE-2022-48279

CWE-436Published: January 20, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2022-48279 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

Debian1 product(s)
debian linux
owasp1 product(s)
modsecurity
trustwave1 product(s)
modsecurity
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/SpiderLabs/ModSecurity/pull/2795
PATCHhttps://github.com/SpiderLabs/ModSecurity/pull/2797
PATCHhttps://github.com/SpiderLabs/ModSecurity/pull/2795
PATCHhttps://github.com/SpiderLabs/ModSecurity/pull/2797
ADVISORYhttps://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.6
ADVISORYhttps://github.com/SpiderLabs/ModSecurity/releases/tag/v3.0.8
ADVISORYhttps://lists.debian.org/debian-lts-announce/2023/01/msg00023.html
ADVISORYhttps://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.6
ADVISORYhttps://github.com/SpiderLabs/ModSecurity/releases/tag/v3.0.8
ADVISORYhttps://lists.debian.org/debian-lts-announce/2023/01/msg00023.html

All References (18)

→
https://coreruleset.org/20220919/crs-version-3-3-3-and-3-2-2-covering-several-cves/Not Applicable
→
https://github.com/SpiderLabs/ModSecurity/pull/2795Patch · Third Party Advisory
→
https://github.com/SpiderLabs/ModSecurity/pull/2797Patch · Third Party Advisory
→
https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.6Release Notes · Third Party Advisory
→
https://github.com/SpiderLabs/ModSecurity/releases/tag/v3.0.8Release Notes · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2023/01/msg00023.htmlMailing List · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYRTXTOQQI6SB2TLI5QXU76DURSLS4XI/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WCH6JM4I4MD4YABYFHSBDDOUFDGIFJKL/
→
https://coreruleset.org/20220919/crs-version-3-3-3-and-3-2-2-covering-several-cves/Not Applicable
→
https://github.com/SpiderLabs/ModSecurity/pull/2795Patch · Third Party Advisory
→
https://github.com/SpiderLabs/ModSecurity/pull/2797Patch · Third Party Advisory
→
https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.6Release Notes · Third Party Advisory
→
https://github.com/SpiderLabs/ModSecurity/releases/tag/v3.0.8Release Notes · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2023/01/msg00023.htmlMailing List · Third Party Advisory

Quick Facts

CVE IDCVE-2022-48279
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-436
CISA KEVNo
Affected3 vendor(s)
PublishedJan 20, 2023

Related CVEs (CWE-436)

CVE-2023-24813
9.8
CVE-2026-8034
9.8
CVE-2026-47767
9.8
CVE-2021-45327
9.8
CVE-2024-24754
9.8
CVE-2026-32052
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-48279 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2022-48279·NVD