CVE-2021-25263

EUVD-2021-12174
Local privilege vulnerability in Yandex Browser for Windows prior to 21.9.0.390 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating files in directory with insecure permissions during Yandex Browser update process.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
Affected Products (NVD)
VendorProductVersion
yandexyandex_browser
𝑥
< 21.9.0.390
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://yandex.com/bugbounty/i/hall-of-fame-browser/
https://yandex.com/bugbounty/i/hall-of-fame-browser/