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.
EPSS: 0.610 (99.1th percentile) — read the EPSS interpretation.
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.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (vendor-advisory, Release Notes, Vendor Advisory)
- security@apache.org
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.