CVE-2017-3821 Cross-site scripting in Cisco Unified Communications Manager

Medium 6.1 Published 22 Feb 2017 Updated 5 Aug 2024

Unauthenticated remote attackers can execute reflected cross-site scripting attacks via the serviceability page of Cisco Unified Communications Manager.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2017-3821?

CVE-2017-3821 is a medium-severity cross-site scripting vulnerability in Cisco Unified Communications Manager, published on 22 Feb 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability in the serviceability page of Cisco Unified Communications Manager could allow an unauthenticated, remote attacker to conduct reflected cross-site scripting (XSS) attacks. More Information: CSCvc49348. Known Affected Releases: 10.5(2.14076.1). Known Fixed Releases: 12.0(0.98000.209) 12.0(0.98000.478) 12.0(0.98000.609).

Weakness: CWE-79

Which versions are affected by CVE-2017-3821?

It affects 1 product.

Products include Cisco Unified Communications Manager.

How do I fix CVE-2017-3821?

No fix has been published for CVE-2017-3821 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2017-3821 being exploited?

There is no known exploitation of CVE-2017-3821 in the wild and no public exploit code.

All Cisco Unified Communications Manager vulnerabilities

Sources

Also known as GHSA-wrmm-vhf9-cg54.