CVE-2025-66200
Apache HTTP Server: mod_userdir+suexec bypass via AllowOverride FileInfo
02 Description
Apache HTTP Server: mod_userdir+suexec bypass via AllowOverride FileInfo
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
- 0.65% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 50.5% of scored records. A rank, not a probability.
- NVD base score
- 5.4 (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:N/I:L/A:L
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-18.
- 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
- 2025-12-05 11:02Z10 MO AGO
- Last updated
- 2025-12-05 17:38Z10 MO AGO
- Reserved
- 2025-11-24
- Assigning CNA
- apache
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.4)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
- Weaknesses
- Data version
- 5.2
- Document digest
- 07160131b3a5b3cd61f62d3858cf4ccfba306cbd90dada8032e38810e200935f
05 Affected products
06 References
- httpd.apache.orghttps://httpd.apache.org/security/vulnerabilities_24.html
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2025/12/04/8
07 Fixed in
AlmaLinux 8
- httpd Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- httpd-devel Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- httpd-filesystem Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- httpd-manual Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- httpd-tools Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- mod_http2 Fixed in 1.15.7-10.module_el8.10.0+4044+ea5f78b1.4
- mod_ldap Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- mod_md Fixed in 1:2.0.8-8.module_el8.10.0+4088+57f011c1.2
- mod_proxy_html Fixed in 1:2.4.37-65.module_el8.10.0+4088+57f011c1.7
- mod_session Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- mod_ssl Fixed in 1:2.4.37-65.module_el8.10.0+4088+57f011c1.7
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
AlmaLinux 9
- httpd Fixed in 2.4.62-7.el9_7.3
- httpd-core Fixed in 2.4.62-7.el9_7.3
- httpd-devel Fixed in 2.4.62-7.el9_7.3
- httpd-filesystem Fixed in 2.4.62-7.el9_7.3
- httpd-manual Fixed in 2.4.62-7.el9_7.3
- httpd-tools Fixed in 2.4.62-7.el9_7.3
- mod_ldap Fixed in 2.4.62-7.el9_7.3
- mod_lua Fixed in 2.4.62-7.el9_7.3
- mod_proxy_html Fixed in 1:2.4.62-7.el9_7.3
- mod_session Fixed in 2.4.62-7.el9_7.3
- mod_ssl Fixed in 1:2.4.62-7.el9_7.3
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
AlmaLinux 10
- httpd-filesystem Fixed in 2.4.63-4.el10_1.3
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- httpd Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- httpd-devel Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- httpd-filesystem Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- httpd-manual Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- httpd-tools Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- mod_http2 Fixed in 1.15.7-10.module_el8.10.0+4044+ea5f78b1.4
- mod_ldap Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- mod_md Fixed in 1:2.0.8-8.module_el8.10.0+4088+57f011c1.2
- mod_proxy_html Fixed in 1:2.4.37-65.module_el8.10.0+4088+57f011c1.7
- mod_session Fixed in 2.4.37-65.module_el8.10.0+4088+57f011c1.7
- mod_ssl Fixed in 1:2.4.37-65.module_el8.10.0+4088+57f011c1.7
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 9
- httpd Fixed in 2.4.62-7.el9_7.3
- httpd-core Fixed in 2.4.62-7.el9_7.3
- httpd-devel Fixed in 2.4.62-7.el9_7.3
- httpd-filesystem Fixed in 2.4.62-7.el9_7.3
- httpd-manual Fixed in 2.4.62-7.el9_7.3
- httpd-tools Fixed in 2.4.62-7.el9_7.3
- mod_ldap Fixed in 2.4.62-7.el9_7.3
- mod_lua Fixed in 2.4.62-7.el9_7.3
- mod_proxy_html Fixed in 1:2.4.62-7.el9_7.3
- mod_session Fixed in 2.4.62-7.el9_7.3
- mod_ssl Fixed in 1:2.4.62-7.el9_7.3
Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 10
- httpd-filesystem Fixed in 2.4.63-4.el10_1.3
Derived from AlmaLinux 10. Partial coverage: only packages taken from AlmaLinux 10 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- apache2 Fixed in 2.4.66-1~deb12u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- apache2 Fixed in 2.4.66-1~deb13u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- apache2 Fixed in 2.4.66-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- apache2 Fixed in 2.4.52-1ubuntu4.18
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- apache2 Fixed in 2.4.58-1ubuntu8.10
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 25.10
- apache2 Fixed in 2.4.64-1ubuntu3.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- apache2 Fixed in 2.4.66-2ubuntu1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- apache2 Fixed in 2.4.7-1ubuntu4.22+esm12Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- apache2 Fixed in 2.4.18-2ubuntu3.17+esm17Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- apache2 Fixed in 2.4.29-1ubuntu4.27+esm7Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 20.04 LTS
- apache2 Fixed in 2.4.41-4ubuntu3.23+esm3Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. 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.