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TI-2021-09266 Aliases CVE-2021-27935GHSA-75vm-hh32-424x

An issue was discovered in AdGuard before 0.105.2.

Priority MEDIUM 41CWE-522Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-522.

Summary

An issue was discovered in AdGuard before 0.105.2. An attacker able to get the user's cookie is able to bruteforce their password offline, because the hash of the password is stored in the cookie.

Why it matters now

EPSS 0.04967 92nd 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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:adguard:adguard_home:*:*:*:*:*:*:*:*before 0.105.2VulnerableAdguard
  • cpe:2.3:a:adguard:adguard_home:*:*:*:*:*:*:*:* Versions before 0.105.2 Vulnerable ·Adguard

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27935
  2. 2026-10-03 Alias added: GHSA-75vm-hh32-424x

References

Sources