Vulnerability · Published Jan 19, 2022 · Assigned by redhat

CVE-2021-3816

Medium 5.4

In plain English

A medium-severity cross-site scripting in Cacti. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)0.5%top 54.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Cacti 1.1.38 allows authenticated users with User Management permissions to inject arbitrary HTML in the group_prefix field during the creation of a new group via "Copy" method at user_group_admin.php.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12cacti1.2.1+ds1-1DEBIAN-CVE-2021-3816
Debian:13cacti1.2.1+ds1-1DEBIAN-CVE-2021-3816
Debian:14cacti1.2.1+ds1-1DEBIAN-CVE-2021-3816
Ubuntu:24.04:LTScactino fix listedUBUNTU-CVE-2021-3816
Ubuntu:25.10cactino fix listedUBUNTU-CVE-2021-3816
Ubuntu:26.04:LTScactino fix listedUBUNTU-CVE-2021-3816
Ubuntu:26.10cactino fix listedUBUNTU-CVE-2021-3816

Affected products (as reported)

VendorProductVersions
n/a Cacti 1.1.38

Weakness: CWE-79

References