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CVE-2021-36740

CVE-2021-36740

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

Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects Varnish Enterprise 6.0.x before 6.0.8r3, and Varnish Cache 5.x and 6.x before 6.5.2, 6.6.x before 6.6.1, and 6.0 LTS before 6.0.8.

CVSS 6.5 · Medium · EPSS 1.6% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • varnish Debian:12

    Affected ranges
    • ECOSYSTEM: < 6.5.2-1

    Update to 6.5.2-1

  • varnish Debian:13

    Affected ranges
    • ECOSYSTEM: < 6.5.2-1

    Update to 6.5.2-1

  • varnish Ubuntu:20.04:LTS

    Versions
    • 6.1.1-1
    • 6.2.1-2
    Affected ranges
    • ECOSYSTEM: < 6.2.1-2ubuntu0.1

    Update to 6.2.1-2ubuntu0.1

Original sources

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