{"id":"CVE-2021-27197","aliases":["EUVD-2021-13962","GHSA-gc59-gfp7-vrrr"],"status":"published","title":"DSUtility.dll in Pelco Digital Sentry Server before 7.19.67 has an arbitrary file write...","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 \"\u003cSCRIPT language='vbscript'\u003e\") to overwrite arbitrary files.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.008,"percentile":0.57006,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-346"],"published":"2021-02-12T15:51:13Z","modified":"2026-06-17T03:44:27Z","products":[{"vendor":"pelco","product":"digital_sentry_server"}],"references":[{"url":"https://support.pelco.com/s/article/What-is-the-Digital-Sentry-software-release-revision-history","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://github.com/vitorespf/Advisories/blob/master/Pelco_Digital_Sentry_Server_AFW.txt","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27197"},{"url":"https://github.com/advisories/GHSA-gc59-gfp7-vrrr"}],"sources":{"cve":[{"id":"CVE-2021-27197","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 \"\u003cSCRIPT language='vbscript'\u003e\") to overwrite arbitrary files.","status":"published","published":"2021-02-12T15:51:13Z","modified":"2024-08-03T20:40:47.574Z","updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-13962","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 \"\u003cSCRIPT language='vbscript'\u003e\") to overwrite arbitrary files.","status":"published","published":"2021-02-12T15:51:13Z","modified":"2024-08-03T20:40:47Z","updated_at":"2026-11-03T03:24:49.808499Z"}],"ghsa":[{"id":"GHSA-gc59-gfp7-vrrr","title":"DSUtility.dll in Pelco Digital Sentry Server before 7.19.67 has an arbitrary file write...","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 \"\u003cSCRIPT language='vbscript'\u003e\") to overwrite arbitrary files.","status":"published","published":"2022-05-24T17:42:07Z","modified":"2023-01-29T05:05:22Z","cwes":["CWE-346"],"updated_at":"2026-11-02T14:45:46.414099Z"}],"nvd":[{"id":"CVE-2021-27197","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 \"\u003cSCRIPT language='vbscript'\u003e\") to overwrite arbitrary files.","status":"published","published":"2021-02-12T16:15:12.627Z","modified":"2026-06-17T03:44:27.143Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":8.8,"vector":"AV:N/AC:M/Au:N/C:N/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-346"],"updated_at":"2026-11-02T14:06:50.031227Z"}]}}