CVEvulnerability
CVE-2021-27197
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-02-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
- CVSS 2.0 ([email protected])
- 8.8 HIGH — AV:N/AC:M/Au:N/C:N/I:C/A:C
- Weaknesses
- CWE-346
Description
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 configurations
• pelco digital sentry server (< 7.19.67)
Related
Weakness · CWE (1)
- CWE-346 Origin Validation Error weakness
References
- https://github.com/vitorespf/Advisories/blob/master/Pelco_Digital_Sentry_Server_AFW.txt Exploit, Third Party Advisory
- https://support.pelco.com/s/article/What-is-the-Digital-Sentry-software-release-revision-history Release Notes, Vendor Advisory
- https://github.com/vitorespf/Advisories/blob/master/Pelco_Digital_Sentry_Server_AFW.txt Exploit, Third Party Advisory
- https://support.pelco.com/s/article/What-is-the-Digital-Sentry-software-release-revision-history Release Notes, Vendor Advisory