Medium severity · published Jan 17, 2023
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
5.3
CVSS
55.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)55.9% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HS
HTTP Server · Apache
before 2.4.55 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-37436
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-37436
Release Notes
https://httpd.apache.org/security/vulnerabilities_24.html
security.gentoo.org
https://security.gentoo.org/glsa/202309-01
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