CVE-2024-40898

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

HIGH
7.5
CVSS Score
Published: July 18, 2024 at 09:32 AM UTC
Updated: June 17, 2026 at 07:46 AM UTC
2 products affected across 1 vendorHTTP ServerApache HTTP Server· also runs on 1 platform

Using Apache HTTP Server by Apache Software Foundation?

Get instant alerts when new vulnerabilities affect Apache HTTP Server - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.4.622.4.0 ≤ v ≤ 2.4.612.4.0
Affected range stops below 2.4.62, so it looks safe — our inference, not a vendor statement
microsoft-windows (environment)
2.4.0 ≤ v ≤ 2.4.612.4.0

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-918

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card