Use of insufficiently random values in Nut/Net - CVE-2020-27213

 

Use of insufficiently random values in Nut/Net - CVE-2020-27213

Published: February 10, 2021


Vulnerability identifier: #VU50593
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-27213
CWE-ID: CWE-330
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the ISN generator relies on a highly predictable source (system timer) and has constant increments. A remote attacker can interfere with traffic, spoof the connection and gain access to sensitive information.  


Affected software

Nut/Net

How to mitigate CVE-2020-27213

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.


External References

Related Security Bulletins