{"cve":"CVE-2021-27232","nvd":{"published":"2021-02-16T15:15:13.647","modified":"2026-06-17T03:44:30.773","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-787"],"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"],"products":["pelco:digital_sentry_server"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-27232","score":0.01738,"percentile":0.77712,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}