CVE-2021-43009

MEDIUM 6.1CVE-2021-43009 · Published 08/04/2022 · updated 17/06/2026

In short

CVE-2021-43009 is a MEDIUM (CVSS 6.1) vulnerability affecting opmon (opservices).
Chance of exploitation in the next 30 days (EPSS): 2.3%, higher than 83.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
opmon opservices	`≤ 9.11`	No fix yet

A Cross Site Scripting (XSS) vulnerability exists in OpServices OpMon through 9.11 via the search parameter in the request URL.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.