VDB
CVE-2021-36740
CVE-2021-36740
PUBLISHED
CVSS 6.5 MEDIUM
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.
EPSS 1.60% · 74.8th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS Score
1.60%
74.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bitnami | varnish | 5.0.0, 6.1.0 |
| Bitnami | varnish | 5.0.0, 6.1.0 |
Timeline
- Jul 14, 2021 CVE Published
- Jul 15, 2021 EPSS Score
- Sep 13, 2021 EPSS Score
- Nov 12, 2021 EPSS Score
- Jan 11, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 5, 2022 EPSS Score
- Mar 12, 2022 EPSS Score
- May 11, 2022 EPSS Score
- Jul 10, 2022 EPSS Score
- Sep 9, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
References
- https://docs.varnish-software.com/security/VSV00007/ url
- https://github.com/varnishcache/varnish-cache/commit/82b0a629f60136e76112c6f2c6372cce77b683be url
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/THV2DQA2GS65HUCKK4KSD2XLN3AAQ2V5/ url
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHBNLDEOTGYRIEQZBWV7F6VPYS4O2AAK/ url
- https://varnish-cache.org/security/VSV00007.html url
- https://www.debian.org/security/2022/dsa-5088 url
- https://nvd.nist.gov/vuln/detail/CVE-2021-36740 url
- https://github.com/varnishcache/varnish-cache/commit/9be22198e258d0e7a5c41f4291792214a29405cf url