Unrated severityNVD Advisory· Published Jul 14, 2021· Updated Aug 4, 2024
CVE-2021-36740
CVE-2021-36740
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6- Varnish/Varnish Cachedescription
- Range: <6.5.2, <6.6.1, <6.0.8
- Range: <6.0.8r3
- osv-coords3 versionspkg:bitnami/varnishpkg:rpm/opensuse/varnish&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/varnish&distro=SUSE%20Package%20Hub%2015%20SP3
>= 5.0.0, < 5.2.2+ 2 more
- (no CPE)range: >= 5.0.0, < 5.2.2
- (no CPE)range: < 7.1.0-bp153.2.3.1
- (no CPE)range: < 7.1.0-bp153.2.3.1
Patches
Vulnerability mechanics
References
7- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/THV2DQA2GS65HUCKK4KSD2XLN3AAQ2V5/mitrevendor-advisoryx_refsource_FEDORA
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHBNLDEOTGYRIEQZBWV7F6VPYS4O2AAK/mitrevendor-advisoryx_refsource_FEDORA
- www.debian.org/security/2022/dsa-5088mitrevendor-advisoryx_refsource_DEBIAN
- docs.varnish-software.com/security/VSV00007/mitrex_refsource_MISC
- github.com/varnishcache/varnish-cache/commit/82b0a629f60136e76112c6f2c6372cce77b683bemitrex_refsource_MISC
- github.com/varnishcache/varnish-cache/commit/9be22198e258d0e7a5c41f4291792214a29405cfmitrex_refsource_MISC
- varnish-cache.org/security/VSV00007.htmlmitrex_refsource_MISC
News mentions
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