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Fencer Vulns
critical 9.1

CVE-2024-40898 in the critical feed json

Apache HTTP Server: SSRF with mod_rewrite in server/vhost context on Windows

published 2024-07-18 2 y ago modified 2026-09-10 59 d ago also BIT-apache-2024-40898 , EUVD-2024-38709

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

SSRF in Apache HTTP Server on Windows with mod_rewrite in server/vhost context, allows to potentially leak NTML hashes to a malicious server via SSRF and malicious requests.

Users are recommended to upgrade to version 2.4.62 which fixes this issue.

Patch / fix

  • bitnami apache 2.4.62
  • apache http_server 2.4.62
  • apache2 openSUSE Tumbleweed 2.4.62-1.1

opensuse advisories openSUSE-SU-2024:14245-1

  • apache2 Alpine 3.24, Alpine 3.23, Alpine 3.22 +5 more 2.4.62-r0

alpine advisories ALPINE-CVE-2024-40898

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

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-2024-40898 updated cvss 7.5

httpd: SSRF in Apache HTTP Server on Windows via mod_rewrite in server/vhost context

  • Red Hat JBoss Core Services jbcs-httpd24-httpd jbcs-httpd24-httpd
    affected: workaround, no fix available
  • Red Hat JBoss Core Services
    fixed: vendor fix RHSA-2024:6928
  • 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
    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
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.63% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
OSV 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
bitnami apache
>=2.4.0, <2.4.62
2.4.62

Affected products

  • Apache Software Foundation Apache HTTP Server
  • apache apache_http_server

Classification

Weakness
  • CWE-918 Server-Side Request Forgery
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.