CVE-2021-27935
HIGHCVSS 7.5/10EPSS 4.12%
Last modified
CVE-2021-27935 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 4.12% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Adguard | Adguard Home | < 0.105.2 |
References
- https://github.com/AdguardTeam/AdGuardHome/issues/2470Issue Tracking, Patch, Third Party Advisory
- https://github.com/AdguardTeam/AdGuardHome/issues/2470Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-27935?
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.
How severe is CVE-2021-27935?
CVE-2021-27935 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.12% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27935?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-27935?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST