Vulnerability in Pelco Digital Sentry Server
CVE-2021-27197
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.
EPSS: 0.008 (52.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H.
Affected products
- Pelco Digital_sentry_server
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-27197?
- CVE-2021-27197 is a high-severity vulnerability in Pelco Digital Sentry Server, classified under Origin Validation Error. CVSS score: 8.1/10. Published 2021-02-12.
- How severe is CVE-2021-27197?
- High severity. CVSS v3 base score is 8.1 out of 10.