Cyber Resilience

CVE-2021-25261

High

Published: 15 June 2022

Published
15 June 2022
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0012 30.4th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-25261 is a high-severity Link Following (CWE-59) vulnerability in Yandex Yandex Browser. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 30.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Local privilege vulnerability in Yandex Browser for Windows prior to 22.5.0.862 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating symlinks to installation file during Yandex Browser update process.

CWE(s)
CWE-59

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

yandex
yandex browser
≤ 22.5.0.862

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References