CVE-2022-30556
HIGHCVSS 7.5/10EPSS 4.69%
Last modified
CVE-2022-30556 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.. EPSS estimates a 4.69% chance of exploitation in the next 30 days.
Description
Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | < 2.4.54 |
| Netapp | Clustered Data Ontap | All versions |
| Fedoraproject | Fedora | 35 |
| Fedoraproject | Fedora | 36 |
References
- http://www.openwall.com/lists/oss-security/2022/06/08/7Mailing List, Third Party Advisory
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://security.gentoo.org/glsa/202208-20Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220624-0005/Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/06/08/7Mailing List, Third Party Advisory
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://security.gentoo.org/glsa/202208-20Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220624-0005/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2022-30556?
Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.
How severe is CVE-2022-30556?
CVE-2022-30556 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.69% probability of exploitation in the next 30 days.
How do I fix CVE-2022-30556?
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-2022-30556?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST