CVE-2022-22721
CRITICALCVSS 9.1/10EPSS 41.86%
Last modified
CVE-2022-22721 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which later causes out of bounds writes. This issue affects Apache HTTP Server 2.4.52 and earlier.. EPSS estimates a 41.86% chance of exploitation in the next 30 days.
Description
If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which later causes out of bounds writes. This issue affects Apache HTTP Server 2.4.52 and earlier.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Apache | Http Server | <= 2.4.52 | — |
| Fedoraproject | Fedora | 34 | — |
| Fedoraproject | Fedora | 35 | — |
| Fedoraproject | Fedora | 36 | — |
| Debian | Debian Linux | 9.0 | — |
| Oracle | Enterprise Manager Ops Center | 12.4.0.0 | — |
| Oracle | Http Server | 12.2.1.3.0 | — |
| Oracle | Http Server | 12.2.1.4.0 | — |
| Oracle | Zfs Storage Appliance Kit | 8.8 | — |
| Apple | Mac Os X | >= 10.15, < 10.15.7 | — |
| Apple | Mac Os X | 10.15.7 | Security Update 2020-001 |
| Apple | Macos | >= 11.0, < 11.6.6 | — |
| Apple | Macos | >= 12.0, < 12.4 | — |
References
- http://seclists.org/fulldisclosure/2022/May/33Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/35Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/38Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/03/14/2Mailing List, Third Party Advisory
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00033.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-20Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220321-0001/Third Party Advisory
- https://support.apple.com/kb/HT213255Third Party Advisory
- https://support.apple.com/kb/HT213256Third Party Advisory
- https://support.apple.com/kb/HT213257Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlThird Party Advisory
- http://seclists.org/fulldisclosure/2022/May/33Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/35Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/38Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/03/14/2Mailing List, Third Party Advisory
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00033.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-20Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220321-0001/Third Party Advisory
- https://support.apple.com/kb/HT213255Third Party Advisory
- https://support.apple.com/kb/HT213256Third Party Advisory
- https://support.apple.com/kb/HT213257Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-22721?
If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which later causes out of bounds writes. This issue affects Apache HTTP Server 2.4.52 and earlier.
How severe is CVE-2022-22721?
CVE-2022-22721 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 41.86% probability of exploitation in the next 30 days.
How do I fix CVE-2022-22721?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2022-22721?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST