VULNERABILITY INTELLIGENCE

CVE-2021-20850

CVSS score9.8 CRITICAL

EPSS probability1.54%

CISA KEVNot currently listed

Published2021-11-24

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

PowerCMS XMLRPC API of PowerCMS 5.19 and earlier, PowerCMS 4.49 and earlier, PowerCMS 3.295 and earlier, and PowerCMS 2 Series (End-of-Life, EOL) allows a remote attacker to execute an arbitrary OS command via unspecified vectors.

Weakness classification

nvd@nist.gov: CWE-78

Primary references

vultures@jpcert.or.jp — Third Party Advisory
vultures@jpcert.or.jp — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory