CVE-2018-20771 Command injection in n/a

Critical 9.8 Published 10 Feb 2019 Updated 16 Sep 2024

Unauthenticated attackers can execute arbitrary commands on Xerox multifunction printers, requiring firmware updates to mitigate.

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-2018-20771?

CVE-2018-20771 is a critical command injection vulnerability in n/a, published on 10 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered on Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX, 78XXi, 7970, 7970i, EC7836, and EC7856 devices before R18-05 073.xxx.0487.15000. There is unauthenticated Remote Command Execution.

Weakness: CWE-20

Which versions are affected by CVE-2018-20771?

It affects 29 products.

Products include Xerox Workcentre 3655 Firmware, Xerox Workcentre 3655i Firmware, Xerox Workcentre 5845 Firmware, Xerox Workcentre 5865 Firmware, Xerox Workcentre 5865i Firmware, Xerox Workcentre 5875 Firmware and 23 more.

How do I fix CVE-2018-20771?

No fix has been published for CVE-2018-20771 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2018-20771 being exploited?

There is no known exploitation of CVE-2018-20771 in the wild and no public exploit code.

Sources

Also known as GHSA-xgr6-3chx-rcqp.