CVE-2021-29974
First published: Tue Jul 13 2021(Updated: )
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.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox | <90 | 90 |
| <90 | 90 | |
| Mozilla Firefox | <90.0 |
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Reference Links
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- agent/references
- agent/softwarecombine
- agent/author
- agent/severity
- agent/event
- agent/description
- collector/mozilla-advisory
- agent/software-canonical-lookup-request
- source/Mozilla
- agent/software-canonical-lookup
- agent/tags
- collector/nvd-index
- collector/mitre-cve
- source/MITRE
- vendor/mozilla
- canonical/mozilla firefox