CVE-2020-11653

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.59%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory varnish-cache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://varnish-cache.org/security/VSV00005.html#vsv00005 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00031.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00026.html vendor advisory mailing list third party advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00036.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-11653?
CVE-2020-11653 has been scored as a high severity vulnerability.
How to fix CVE-2020-11653?
To fix CVE-2020-11653, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-11653 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-11653 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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