What’s Vulnerable › Vulnerabilities

CVE-2021-27232

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-16 · updated 2026-06-17
• Weakness: CWE-787

Description

The RTSPLive555.dll ActiveX control in Pelco Digital Sentry Server 7.18.72.11464 has a SetCameraConnectionParameter stack-based buffer overflow. This can be exploited by a remote attacker to potentially execute arbitrary attacker-supplied code. The victim would have to visit a malicious webpage using Internet Explorer where the exploit could be triggered.

Affected products

• Pelco Digital Sentry Server: 7.18.72.11464

References

• https://github.com/vitorespf/Advisories/blob/master/Pelco_Digital_Sentry_Server-RSTPLive555%20Activex%20Buffer%20overflow.txt
• https://support.pelco.com/s/article/What-is-the-Digital-Sentry-software-release-revision-history
• https://github.com/vitorespf/Advisories/blob/master/Pelco_Digital_Sentry_Server-RSTPLive555%20Activex%20Buffer%20overflow.txt
• https://support.pelco.com/s/article/What-is-the-Digital-Sentry-software-release-revision-history

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