CVE-2020-27747 Auth bypass in n/a
Remote attackers can brute-force weak 4-digit mobile PINs to bypass authentication and retrieve stored passwords from Passwordstate.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-27747?
CVE-2020-27747 is a medium-severity authentication bypass vulnerability in n/a, published on 29 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in Click Studios Passwordstate 8.9 (Build 8973).If the user of the system has assigned himself a PIN code for entering from a mobile device using the built-in generator (4 digits), a remote attacker has the opportunity to conduct a brute force attack on this PIN code. As result, remote attacker retrieves all passwords from another systems, available for affected account.
Weakness: CWE-307
Which versions are affected by CVE-2020-27747?
It affects 1 product.
Products include Clickstudios Passwordstate.
How do I fix CVE-2020-27747?
No fix has been published for CVE-2020-27747 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-27747 being exploited?
There is no known exploitation of CVE-2020-27747 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
- CVE-2020-26061 Auth bypass in n/a
- CVE-2022-3875 Click Studios Passwordstate API authentication bypass by assumed-immutable data
- CVE-2022-25570 Missing authorization in n/a
- CVE-2018-14776 Cross-site scripting in n/a
- CVE-2022-4613 Click Studios Passwordstate Browser Extension Provisioning improper authorization
Sources
Also known as GHSA-m64g-xqf4-x27g.