Security Advisory

CVE-2021-29974

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-08-05 19:46:16

Last updated 2024-08-03 22:24:57

Assigner mozilla

State PUBLISHED

Description

When network partitioning was enabled, e.g. as a result of Enhanced Tracking Protection settings, a TLS error page would allow the user to override an error on a domain which had specified HTTP Strict Transport Security (which implies that the error should not be override-able.) This issue did not affect the network connections, and they were correctly upgraded to HTTPS automatically. This vulnerability affects Firefox < 90.

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