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Fencer Vulns
medium 6.3

CVE-2025-54090 json

Apache HTTP Server: 'RewriteCond expr' always evaluates to true in 2.4.64

published 2025-07-23 15 mo ago modified 2026-09-08 2 mo ago also BIT-apache-2025-54090 , EUVD-2025-22448

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

A bug in Apache HTTP Server 2.4.64 results in all "RewriteCond expr ..." tests evaluating as "true".

Users are recommended to upgrade to version 2.4.65, which fixes the issue.

Patch / fix

  • bitnami apache 2.4.65
  • apache http_server 2.4.65
  • apache2 Debian 14, Debian 13 2.4.65-1

debian advisories DEBIAN-CVE-2025-54090

  • apache2 openSUSE Tumbleweed 2.4.65-1.1

opensuse advisories openSUSE-SU-2025:15384-1

  • apache2 Alpine 3.24, Alpine 3.23, Alpine 3.22 +3 more 2.4.65-r0

alpine advisories ALPINE-CVE-2025-54090

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • httpd Azure Linux 3.0 2.4.65-1

azure linux advisories AZL-65654

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-54090 updated cvss 4.8

httpd: Apache HTTP Server logic flaw

  • Red Hat Enterprise Linux 6 httpd, mod_ssl, httpd-tools, httpd-manual Red Hat Enterprise Linux 7 httpd, mod_ssl, mod_ldap, httpd-tools, mod_session, httpd-manual, +1 more Red Hat Enterprise Linux 8 httpd, mod_md, mod_ssl, mod_ldap, mod_http2, httpd-tools, +4 more Red Hat Enterprise Linux 9 httpd, mod_lua, mod_ssl, mod_ldap, httpd-core, httpd-tools, +4 more Red Hat Enterprise Linux 10 httpd Red Hat JBoss Core Services jbcs-httpd24-httpd
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
15 mo ago

Exploit prediction

0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
OSV 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected packages

ecosystem package affected fixed in
bitnami apache
>=2.4.64, <2.4.65
2.4.65

Affected products

  • Apache Software Foundation Apache HTTP Server

Classification

Weakness
  • CWE-253 Incorrect Check of Function Return Value
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.