CVE-2021-29951 — Improper Privilege Management in Mozilla Firefox
Severity
6.5MEDIUMNVD
EPSS
0.5%
top 32.69%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 24
Latest updateMay 24
Description
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 affe…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NExploitability: 3.9 | Impact: 2.5
Affected Packages6 packages
🔴Vulnerability Details
2GHSA▶
GHSA-rc27-w7x3-jmp4: The Mozilla Maintenance Service granted SERVICE_START access to BUILTIN|Users which, in a domain network, grants normal remote users access to start o↗2022-05-24
CVEList▶
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 o↗2021-06-24