Vulnerability · Published Jul 1, 2024 · Assigned by apache
CVE-2024-39573Apache HTTP Server: mod_rewrite proxy handler substitution
High 7.5
In plain English
A high-severity improper input validation in Apache HTTP Server from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 35.4% (higher than 98% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)35.4%top 1.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Potential SSRF in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to cause unsafe RewriteRules to unexpectedly setup URL's to be handled by mod_proxy. Users are recommended to upgrade to version 2.4.60, which fixes this issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | httpd | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | httpd | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:9 | httpd-core | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | httpd-devel | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | httpd-devel | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | httpd-filesystem | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | httpd-filesystem | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | httpd-manual | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | httpd-manual | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | httpd-tools | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | httpd-tools | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | mod_http2 | 1.15.7-10.module_el8.10.0+3832+564e7653 | ALSA-2024:4720 |
| AlmaLinux:8 | mod_ldap | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | mod_ldap | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:9 | mod_lua | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | mod_md | 1:2.0.8-8.module_el8.6.0+3031+fb177b09 | ALSA-2024:4720 |
| AlmaLinux:8 | mod_md | 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa | ALSA-2024:4720 |
| AlmaLinux:8 | mod_proxy_html | 1:2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | mod_proxy_html | 1:2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | mod_session | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | mod_session | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | mod_ssl | 1:2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | mod_ssl | 1:2.4.57-11.el9_4 | ALSA-2024:4726 |
| Alpine:v3.20 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-39573 |
| Alpine:v3.21 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-39573 |
| Alpine:v3.22 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-39573 |
| Alpine:v3.23 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-39573 |
| Alpine:v3.24 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-39573 |
| Debian:12 | apache2 | 2.4.61-1~deb12u1 | DEBIAN-CVE-2024-39573 |
| Debian:12 | apache2 | 2.4.61-1~deb12u1 | DSA-5729-1 |
| Debian:13 | apache2 | 2.4.60-1 | DEBIAN-CVE-2024-39573 |
| Debian:14 | apache2 | 2.4.60-1 | DEBIAN-CVE-2024-39573 |
| Rocky Linux:8 | httpd | 0:2.4.37-65.module+el8.10.0+1842+4a9649e8.2 | RLSA-2024:4720 |
| Rocky Linux:8 | httpd | 0:2.4.37-65.module+el8.10.0+1840+b070a976.1 | RLSA-2024:4720 |
| Rocky Linux:8 | httpd | 0:2.4.37-65.module+el8.10.0+1938+3b7755d4.3 | RLSA-2024:4720 |
| Rocky Linux:8 | httpd | 0:2.4.37-65.module+el8.10.0+1830+22f0c9e0 | RLSA-2024:4720 |
| Rocky Linux:9 | httpd | 0:2.4.57-11.el9_4 | RLSA-2024:4726 |
| Rocky Linux:8 | mod_http2 | 0:1.15.7-10.module+el8.10.0+1883+38ed6c58.1 | RLSA-2024:4720 |
| Rocky Linux:8 | mod_http2 | 0:1.15.7-10.module+el8.10.0+1830+22f0c9e0 | RLSA-2024:4720 |
| Rocky Linux:8 | mod_http2 | 0:1.15.7-10.module+el8.10.0+1775+6b057638 | RLSA-2024:4720 |
| Rocky Linux:8 | mod_http2 | 0:1.15.7-10.module+el8.10.0+1938+3b7755d4.3 | RLSA-2024:4720 |
| Rocky Linux:8 | mod_md | 1:2.0.8-8.module+el8.9.0+1370+89cc8ad5 | RLSA-2024:4720 |
| Ubuntu:22.04:LTS | apache2 | 2.4.52-1ubuntu4.10 | USN-6885-1 |
| Ubuntu:22.04:LTS | apache2 | 2.4.52-1ubuntu4.10 | UBUNTU-CVE-2024-39573 |
| Ubuntu:24.04:LTS | apache2 | 2.4.58-1ubuntu8.2 | UBUNTU-CVE-2024-39573 |
| Ubuntu:24.04:LTS | apache2 | 2.4.58-1ubuntu8.2 | USN-6885-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache HTTP Server | 2.4.0 – through 2.4.59 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N