CVE-2021-27935
7.5 · HIGHOverview
CVE-2021-27935 is a high-severity vulnerability affecting adguard adguard_home. It was published on March 3, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from adguard. Update adguard_home to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| adguard | adguard_home | >= 0, < 0.105.2 | Affected |
Frequently Asked Questions
What is CVE-2021-27935?
CVE-2021-27935 is a high-severity vulnerability affecting adguard adguard_home. It was published on March 3, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-27935?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-27935?
Check the references section for vendor advisories and patches from adguard. Update adguard_home to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-27935?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-27935 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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