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CVE-2021-30641

CVE-2021-30641 · Unexpected URL matching with 'MergeSlashes OFF'

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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

CVSS 5.3 · Medium · EPSS 52.6% · Fix available

Published
Updated

Stack: system · web

Affected products and versions

  • apache httpd

    Versions
    • 2.4.46: Affected
    • 2.4.43: Affected
    • 2.4.41: Affected
    • 2.4.39: Affected

    No fix published

  • apache2 Debian:12

    Affected ranges
    • ECOSYSTEM: < 2.4.46-6

    Update to 2.4.46-6

  • apache2 Debian:13

    Affected ranges
    • ECOSYSTEM: < 2.4.46-6

    Update to 2.4.46-6

  • apache2 Debian:14

    Affected ranges
    • ECOSYSTEM: < 2.4.46-6

    Update to 2.4.46-6

  • apache2 Ubuntu:Pro:14.04:LTS

    Versions
    • 2.4.6-2ubuntu2
    • 2.4.6-2ubuntu3
    • 2.4.6-2ubuntu4
    • 2.4.7-1ubuntu1
    • 2.4.7-1ubuntu2
    • 2.4.7-1ubuntu3
    • 2.4.7-1ubuntu4
    • 2.4.7-1ubuntu4.1
    • 2.4.7-1ubuntu4.4
    • 2.4.7-1ubuntu4.5
    • 2.4.7-1ubuntu4.6
    • 2.4.7-1ubuntu4.7
    • 2.4.7-1ubuntu4.8
    • 2.4.7-1ubuntu4.9
    • 2.4.7-1ubuntu4.10
    • 2.4.7-1ubuntu4.11
    • 2.4.7-1ubuntu4.13
    • 2.4.7-1ubuntu4.15
    • 2.4.7-1ubuntu4.16
    • 2.4.7-1ubuntu4.17
    • 2.4.7-1ubuntu4.18
    • 2.4.7-1ubuntu4.19
    • 2.4.7-1ubuntu4.20
    • 2.4.7-1ubuntu4.21
    • 2.4.7-1ubuntu4.22
    Affected ranges
    • ECOSYSTEM: < 2.4.7-1ubuntu4.22+esm1

    Update to 2.4.7-1ubuntu4.22+esm1

  • apache2 Ubuntu:Pro:16.04:LTS

    Versions
    • 2.4.12-2ubuntu2
    • 2.4.17-1ubuntu1
    • 2.4.17-2ubuntu1
    • 2.4.17-3ubuntu1
    • 2.4.18-1ubuntu1
    • 2.4.18-2ubuntu1
    • 2.4.18-2ubuntu2
    • 2.4.18-2ubuntu3
    • 2.4.18-2ubuntu3.1
    • 2.4.18-2ubuntu3.2
    • 2.4.18-2ubuntu3.3
    • 2.4.18-2ubuntu3.4
    • 2.4.18-2ubuntu3.5
    • 2.4.18-2ubuntu3.7
    • 2.4.18-2ubuntu3.8
    • 2.4.18-2ubuntu3.9
    • 2.4.18-2ubuntu3.10
    • 2.4.18-2ubuntu3.12
    • 2.4.18-2ubuntu3.13
    • 2.4.18-2ubuntu3.14
    • 2.4.18-2ubuntu3.15
    • 2.4.18-2ubuntu3.17
    Affected ranges
    • ECOSYSTEM: < 2.4.18-2ubuntu3.17+esm1

    Update to 2.4.18-2ubuntu3.17+esm1

  • apache2 Ubuntu:18.04:LTS

    Versions
    • 2.4.27-2ubuntu3
    • 2.4.29-1ubuntu1
    • 2.4.29-1ubuntu2
    • 2.4.29-1ubuntu3
    • 2.4.29-1ubuntu4
    • 2.4.29-1ubuntu4.1
    • 2.4.29-1ubuntu4.2
    • 2.4.29-1ubuntu4.3
    • 2.4.29-1ubuntu4.4
    • 2.4.29-1ubuntu4.5
    • 2.4.29-1ubuntu4.6
    • 2.4.29-1ubuntu4.7
    • 2.4.29-1ubuntu4.8
    • 2.4.29-1ubuntu4.10
    • 2.4.29-1ubuntu4.11
    • 2.4.29-1ubuntu4.12
    • 2.4.29-1ubuntu4.13
    • 2.4.29-1ubuntu4.14
    Affected ranges
    • ECOSYSTEM: < 2.4.29-1ubuntu4.16

    Update to 2.4.29-1ubuntu4.16

  • apache2 Ubuntu:20.04:LTS

    Versions
    • 2.4.41-1ubuntu1
    • 2.4.41-4ubuntu1
    • 2.4.41-4ubuntu2
    • 2.4.41-4ubuntu3
    • 2.4.41-4ubuntu3.1
    Affected ranges
    • ECOSYSTEM: < 2.4.41-4ubuntu3.3

    Update to 2.4.41-4ubuntu3.3

Original sources

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