CVE-2022-22753

HIGH

Firefox < 97.0 and Firefox ESR < 91.6 - Time-of-Check Time-of-Use Race Condition in Maintenance Service

Title source: llm
STIX 2.1

Description

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.

References (4)

Core 4

Scores

CVSS v3 7.1
EPSS 0.0037
EPSS Percentile 59.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-367
Status published
Products (3)
mozilla/firefox < 97.0
mozilla/firefox_esr < 91.6
mozilla/thunderbird < 91.6
Published Dec 22, 2022
Tracked Since Feb 18, 2026