Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-29951

The Mozilla Maintenance Service granted SERVICE_START access to BUILTIN|Users which, in a domain network, grants normal remote users access to start or stop the service. This could be used to prevent the browser update service from operating (if an attacker spammed the 'Stop' command); but also exposed attack surface in the maintenance service. *Note: This issue only affected Windows operating systems older than Win 10 build 1709. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.10.1, Firefox < 87, and Firefox ESR < 78.10.1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 63.5%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 6.4
Products affected by CVE-2021-29951


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