VulnerabilityModified
CVE-2020-11653
An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2.
HIGH 7.5EPSS 2.16%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.16% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-617
- Affected
- varnish-cache/varnish cache · varnish-software/varnish cache · opensuse/backports sle · opensuse/leap · debian/debian linux
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00026.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00031.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00036.htmlMailing List, Third Party Advisory
- https://varnish-cache.org/security/VSV00005.html#vsv00005Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00026.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00031.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00036.htmlMailing List, Third Party Advisory
- https://varnish-cache.org/security/VSV00005.html#vsv00005Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.