Vulnerability in Apache HTTP Server
CVE-2022-37436
Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose, they will not be interpreted by the client.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.559 (99.0th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.559 · newest: 0.559 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- httpd.apache.org/security/vulnerabilities_24.html (vendor-advisory, Release Notes, Vendor Advisory)
- security.gentoo.org/glsa/202309-01
Frequently asked questions
- What is CVE-2022-37436?
- CVE-2022-37436 is a medium-severity vulnerability in Apache HTTP Server, classified under HTTP Response Splitting. CVSS score: 5.3/10. Published 2023-01-17.
- How severe is CVE-2022-37436?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2022-37436 known to be exploited?
- 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.