CVE Vulnerabilities

CVE-2020-27747

Improper Restriction of Excessive Authentication Attempts

Published: Oct 29, 2020 | Modified: Jul 21, 2021
CVSS 3.x
6.8
MEDIUM
Source:
NVD
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu

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

The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks.

Affected Software

Name Vendor Start Version End Version
Passwordstate Clickstudios 8.9-build_8973 (including) 8.9-build_8973 (including)

Potential Mitigations

  • Common protection mechanisms include:

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.

  • Consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator. [REF-45]

References