Improper Restriction of Excessive Authentication Attempts in Siemens products - CVE-2021-25676

 

Improper Restriction of Excessive Authentication Attempts in Siemens products - CVE-2021-25676

Published: March 10, 2021


Vulnerability identifier: #VU51377
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-25676
CWE-ID: CWE-307
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the authentication mechanism has no brute-force prevention. A remote attacker can cause a denial of service condition on the target system.


Affected software

RUGGEDCOM RM1224
SCALANCE SC-600
SCALANCE M-800 / S615

How to mitigate CVE-2021-25676

Install updates from vendor's website.

SCALANCE SC-600 - update to 2.1.3

External References

Related Security Bulletins