CVE-2020-3280 Cisco Unified Contact Center Express Remote Code Execution Vulnerability

Critical 9.8 Published 22 May 2020 Updated 15 Nov 2024

Unauthenticated remote attackers can execute arbitrary code as root via insecure Java deserialization in Cisco Unified Contact Center Express.

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-2020-3280?

CVE-2020-3280 is a critical unsafe deserialization vulnerability in Cisco Unified Contact Center Express, published on 22 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the Java Remote Management Interface of Cisco Unified Contact Center Express (Unified CCX) could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. The vulnerability is due to insecure deserialization of user-supplied content by the affected software. An attacker could exploit this vulnerability by sending a malicious serialized Java object to a specific listener on an affected system. A successful exploit could allow the attacker to execute arbitrary code as the root user on an affected device.

Weakness: CWE-502, CWE-20

Which versions are affected by CVE-2020-3280?

It affects 1 product.

Products include Cisco Unified Contact Center Express.

How do I fix CVE-2020-3280?

No fix has been published for CVE-2020-3280 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2020-3280 being exploited?

There is no known exploitation of CVE-2020-3280 in the wild and no public exploit code.

Sources

Also known as GHSA-7qv8-fcr4-9523.