CVE-2021-27197: Pelco Digital Sentry Server

High severity, CVSS 8.1. EPSS: 0.8% chance of exploitation in the next 30 days.

DSUtility.dll in Pelco Digital Sentry Server before 7.19.67 has an arbitrary file write vulnerability. The AppendToTextFile method doesn't check if it's being called from the application or from a malicious user. The vulnerability is triggered when a remote attacker crafts an HTML page (e.g., with "OBJECT classid=" and "<SCRIPT language='vbscript'>") to overwrite arbitrary files.

Affected products

• Pelco Digital Sentry Server: before 7.19.67 (fixed in 7.19.67)

Published 2021-02-12. Last modified 2026-06-17.