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 no…

EPSS: 0.579 (99.0th 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

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.