CVE-2021-27935 Information disclosure in n/a
Attackers can offline brute-force passwords by extracting password hashes from user cookies, leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-27935?
CVE-2021-27935 is a high-severity vulnerability in n/a, published on 3 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-522
Which versions are affected by CVE-2021-27935?
It affects 1 product.
Products include Adguard Adguard Home.
How do I fix CVE-2021-27935?
No fix has been published for CVE-2021-27935 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-27935 being exploited?
There is no known exploitation of CVE-2021-27935 in the wild and no public exploit code.
Sources
Also known as GHSA-75vm-hh32-424x.