CVE-2022-22753

CVSS 7.1 HIGHEPSS 0.6%CWE-367

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.1EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

22 Dec 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrary directory. This could have been used to escalate to SYSTEM access.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1732435 https://www.mozilla.org/security/advisories/mfsa2022-04/https://www.mozilla.org/security/advisories/mfsa2022-05/https://www.mozilla.org/security/advisories/mfsa2022-06/