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CVE-2021-30641

Vulnerability in Apache HTTP Server (CVE-2021-30641)

Summary

Vulnerability in Apache HTTP Server (CVE-2021-30641). Risk of unauthorized operations or information disclosure.

Original description

The description as published by the source.

Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A weakness called CVE-2021-30641 was discovered in Apache HTTP Server.
Severity is Info. Low severity or not yet rated.
What you should do: update the affected software to the latest version. If unsure, ask your IT team or search the vendor's site for "Apache HTTP Server CVE-2021-30641".

CVE-2021-30641 (Apache HTTP Server). Severity: Info.
Response plan:

  1. Check the vendor advisory for affected versions and the patched release.
  2. If a vulnerable version is running in production, schedule maintenance (urgency from KEV/CVSS).
  3. If no patch yet, mitigate via WAF rule, disabling the affected feature, etc.
  4. Monitor logs / SIEM for known IOC and PoC signatures of this CVE.
    PoCs and fix commits: see the 'References' section, MITRE, and NVD.
❓ What is the problem

A weakness (CVE-2021-30641) in Apache HTTP Server. A serious software flaw has been identified.

📍 Affected scope

Target versions of Apache HTTP Server (see vendor advisory). If running in production, identify exposure immediately.

🔥 Severity

Severity: Info. Low severity or not yet rated.

🔧 How to fix

Update to the patched release as listed in the vendor advisory.

🛡️ Workaround

If a patch is not yet available, consider disabling the affected feature, applying WAF rules, blocking via network ACLs, or isolating the vulnerable version.

🔍 Detection

Check version information, scan dependencies via SBOM, and monitor SIEM for IOC and PoC signatures related to this CVE.

Fix status by distribution

Fixed packages published by each distribution for this CVE

References

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