CVE-2021-36740

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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:varnish-cache:varnish_cache:*:*:*:*:plus:*:*:*
cpe:2.3:a:varnish-cache:varnish_cache:6.0.8:r1:*:*:plus:*:*:*
cpe:2.3:a:varnish-cache:varnish_cache:6.0.8:r2:*:*:plus:*:*:*
cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:*:*:*:*
cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:lts:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

History

07 Nov 2023, 03:36

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZHBNLDEOTGYRIEQZBWV7F6VPYS4O2AAK/', 'name': 'FEDORA-2021-36e10d3f9f', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/THV2DQA2GS65HUCKK4KSD2XLN3AAQ2V5/', 'name': 'FEDORA-2021-cf7585f0ca', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/THV2DQA2GS65HUCKK4KSD2XLN3AAQ2V5/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHBNLDEOTGYRIEQZBWV7F6VPYS4O2AAK/ -

02 Aug 2022, 19:12

Type Values Removed Values Added
CPE cpe:2.3:a:varnish-cache:varnish_cache:*:*:*:*:lts:*:*:*
cpe:2.3:a:varnish-cache:varnish_cache:*:*:*:*:*:*:*:*
cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:*:*:*:*
cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:lts:*:*:*
First Time Varnish-software varnish Cache
Varnish-software

02 Aug 2022, 16:29

Type Values Removed Values Added
CPE cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:*
First Time Varnish Cache Project varnish Cache
Varnish Cache Project

15 May 2022, 13:29

Type Values Removed Values Added
CPE cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
First Time Debian debian Linux
Debian
References (DEBIAN) https://www.debian.org/security/2022/dsa-5088 - (DEBIAN) https://www.debian.org/security/2022/dsa-5088 - Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZHBNLDEOTGYRIEQZBWV7F6VPYS4O2AAK/ - Third Party Advisory (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZHBNLDEOTGYRIEQZBWV7F6VPYS4O2AAK/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/THV2DQA2GS65HUCKK4KSD2XLN3AAQ2V5/ - Third Party Advisory (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/THV2DQA2GS65HUCKK4KSD2XLN3AAQ2V5/ - Mailing List, Third Party Advisory

04 Mar 2022, 13:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2022/dsa-5088 -

05 Aug 2021, 15:02

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : 6.4
v3 : 6.5
CPE cpe:2.3:a:varnish-cache:varnish_cache:6.0.8:r2:*:*:plus:*:*:*
cpe:2.3:a:varnish-cache:varnish_cache:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:a:varnish-cache:varnish_cache:6.0.8:r1:*:*:plus:*:*:*
cpe:2.3:a:varnish-cache:varnish_cache:*:*:*:*:lts:*:*:*
cpe:2.3:a:varnish-cache:varnish_cache:*:*:*:*:plus:*:*:*
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/THV2DQA2GS65HUCKK4KSD2XLN3AAQ2V5/ - Third Party Advisory
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZHBNLDEOTGYRIEQZBWV7F6VPYS4O2AAK/ - Third Party Advisory
References (MISC) https://varnish-cache.org/security/VSV00007.html - (MISC) https://varnish-cache.org/security/VSV00007.html - Mitigation, Vendor Advisory
References (MISC) https://docs.varnish-software.com/security/VSV00007/ - (MISC) https://docs.varnish-software.com/security/VSV00007/ - Mitigation, Vendor Advisory
References (MISC) https://github.com/varnishcache/varnish-cache/commit/9be22198e258d0e7a5c41f4291792214a29405cf - (MISC) https://github.com/varnishcache/varnish-cache/commit/9be22198e258d0e7a5c41f4291792214a29405cf - Patch, Third Party Advisory
References (MISC) https://github.com/varnishcache/varnish-cache/commit/82b0a629f60136e76112c6f2c6372cce77b683be - (MISC) https://github.com/varnishcache/varnish-cache/commit/82b0a629f60136e76112c6f2c6372cce77b683be - Patch, Third Party Advisory
CWE CWE-444

14 Jul 2021, 17:53

Type Values Removed Values Added
New CVE

Information

Published : 2021-07-14 17:15

Updated : 2023-12-10 13:55


NVD link : CVE-2021-36740

Mitre link : CVE-2021-36740

CVE.ORG link : CVE-2021-36740


JSON object : View

Products Affected

varnish-software

  • varnish_cache

varnish_cache_project

  • varnish_cache

debian

  • debian_linux

varnish-cache

  • varnish_cache

fedoraproject

  • fedora
CWE
CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')