Home/CVE/Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the reque
CVE

CVE-2022-22720

Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the reque

Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing the server to HTTP Request Smuggling.

CRITICAL · CVSS 9.8 EPSS 0.27458
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
▤

Affected Products & Versions

10
apache http server<= 2.4.52
fedoraproject fedoraall versions
debian linuxall versions
oracle enterprise manager ops centerall versions
oracle http serverall versions
oracle zfs storage appliance kitall versions
apple mac os xall versions
apple macos< 10.15.7
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Mar 2022 · 11:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

25
suse-csafopenSUSE-SU-2024:11919-1
suse-csafopenSUSE-SU-2022:1031-1
suse-csafSUSE-SU-2022:1031-1
suse-csafSUSE-SU-2022:0929-1
suse-csafSUSE-SU-2022:0918-1
🔗

References & Sources

16
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2022/May/33Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2022/May/35Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2022/May/38Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/03/14/3Mailing ListThird Party Advisory
https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00033.htmlMailing ListThird Party Advisory
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