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TI-2021-07515 Aliases CVE-2021-25263GHSA-37r4-xgj4-h786

Incorrect permission assignment in Yandex Browser

Priority LOW 34CWE-732Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00414 36th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Yandex Browser (Desktop)All versions prior to version 21.9.0.390—No fix listedCNA
  • Yandex Browser (Desktop) Vendor— Affected All versions prior to version 21.9.0.390 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:yandex:yandex_browser:*:*:*:*:*:windows:*:*before 21.9.0.390VulnerableYandex
  • cpe:2.3:a:yandex:yandex_browser:*:*:*:*:*:windows:*:* Versions before 21.9.0.390 Vulnerable ·Yandex

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-25263
  2. 2026-10-03 Alias added: GHSA-37r4-xgj4-h786

References

Advisory 1

  • TI-2024-06006 DLL Hijacking in Yandex Browser CVSS 4.0HIGH 8.4
  • TI-2021-07512 Yandex Browser Lite for Android prior to version 21.1.0 allows remote attackers to cause a denial of service. CVSS 4.0HIGH 8.3
  • TI-2017-04997 Untrusted search path in Yandex Browser for Desktop CVSS 3.0HIGH 7.8
  • TI-2021-07511 Yandex Browser Lite for Android before 21.1.0 allows remote attackers to spoof the address bar. CVSS 4.0HIGH 8.2
  • TI-2023-11403 A use after free memory corruption issue exists in Yandex Browser for Desktop prior to version 24.4.0.682 CVSS 4.0HIGH 7.4
  • TI-2022-11011 Link following in Yandex Browser CVSS 3.1HIGH 7.8
See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences