01 Record
CVE-2025-54090
Apache HTTP Server: 'RewriteCond expr' always evaluates to true in 2.4.64
MediumPUBLISHEDCNA: apache
CNA base score6.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
02 Description
Apache HTTP Server: 'RewriteCond expr' always evaluates to true in 2.4.64
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.88% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 58.7% of scored records. A rank, not a probability.
- NVD base score
- 6.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-07-23 13:19Z1 YR AGO
- Last updated
- 2025-11-04 21:12Z11 MO AGO
- Reserved
- 2025-07-16
- Assigning CNA
- apache
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- Weaknesses
- CWE-253Incorrect Check of Function Return ValueBase
- Data version
- 5.2
- Document digest
- 1e1fb5c9644e41f6c728db940c7ca9ff8f6283d5eb1a88182b8ceca6f96e0d97
05 Affected products
VendorProductVersionsPlatforms
06 References
- httpd.apache.orghttps://httpd.apache.org/security/vulnerabilities_24.html
- news.ycombinator.comhttps://news.ycombinator.com/item?id=44666896
- lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/08/msg00009.html
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2025/07/24/2
07 Fixed in
Debian 13
- apache2 Fixed in 2.4.65-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- apache2 Fixed in 2.4.65-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.