Information disclosure in Apache HTTP Server
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.051 (92.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.053 · newest: 0.051 · change: -0.001
Affected products
- Apache HTTP Server
- Apache Software Foundation HTTP Server — versions unspecified
- NetApp Clustered Data Ontap
- Fedoraproject Fedora — versions 35, 36
Weakness classification (CWE)
Public proof-of-concept exploits
References
- httpd.apache.org/security/vulnerabilities_24.html (Vendor Advisory)
- www.openwall.com/lists/oss-security/2022/06/08/7 (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20220624-0005/ (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202208-20 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-30556?
- CVE-2022-30556 is a high-severity vulnerability in Apache HTTP Server, classified under Information Disclosure. CVSS score: 7.5/10. Published 2022-06-09.
- How severe is CVE-2022-30556?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-30556 known to be exploited?
- 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.