CVE-2021-27197
8.1 · HIGHOverview
CVE-2021-27197 is a high-severity vulnerability affecting pelco digital_sentry_server. It was published on February 12, 2021 and has a CVSS 3.1 base score of 8.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from pelco. Update digital_sentry_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| pelco | digital_sentry_server | >= 0, < 7.19.67 | Affected |
References
Frequently Asked Questions
What is CVE-2021-27197?
CVE-2021-27197 is a high-severity vulnerability affecting pelco digital_sentry_server. It was published on February 12, 2021 and has a CVSS 3.1 base score of 8.1 (HIGH).
How severe is CVE-2021-27197?
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-27197?
Check the references section for vendor advisories and patches from pelco. Update digital_sentry_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-27197?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-27197 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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