CVE-2020-3158 Cisco Smart Software Manager On-Prem Static Default Credential Vulnerability

Critical 9.8 Published 19 Feb 2020 Updated 15 Nov 2024

Unauthenticated attackers can use static default credentials to gain high-privileged read and write access to system configuration data.

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-2020-3158?

CVE-2020-3158 is a critical vulnerability in Cisco Smart Software Manager On-Prem, published on 19 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the High Availability (HA) service of Cisco Smart Software Manager On-Prem could allow an unauthenticated, remote attacker to access a sensitive part of the system with a high-privileged account. The vulnerability is due to a system account that has a default and static password and is not under the control of the system administrator. An attacker could exploit this vulnerability by using this default account to connect to the affected system. A successful exploit could allow the attacker to obtain read and write access to system data, including the configuration of an affected device. The attacker would gain access to a sensitive portion of the system, but the attacker would not have full administrative rights to control the device.

Weakness: CWE-798

Which versions are affected by CVE-2020-3158?

It affects 1 product.

Products include Cisco Smart Software Manager On-Prem.

How do I fix CVE-2020-3158?

No fix has been published for CVE-2020-3158 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-3158 being exploited?

There is no known exploitation of CVE-2020-3158 in the wild and no public exploit code.

Sources

Also known as GHSA-qvcr-mg85-mjgg.