{"id":"CVE-2021-33549","aliases":["EUVD-2021-20241","GHSA-w6hr-fq55-vx95"],"status":"published","title":"UDP Technology/Geutebrück camera devices: Buffer overflow in action parameter leading to RCE","description":"Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the action parameter, which may allow an attacker to remotely execute arbitrary code.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.67312,"percentile":0.99312,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-121"],"published":"2021-09-13T17:55:41Z","modified":"2026-06-17T03:54:46Z","exploits":[{"source":"metasploit","id":"exploit/linux/http/geutebruck_instantrec_bof","title":"Geutebruck instantrec Remote Command Execution","type":"exploit","platform":"Linux,Unix","date":"2021-07-08","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/linux/http/geutebruck_instantrec_bof"}],"products":[{"vendor":"geutebrueck","product":"g-cam_ebc-2110_firmware"},{"vendor":"geutebrueck","product":"g-cam_ebc-2111_firmware"},{"vendor":"geutebrueck","product":"g-cam_ebc-2112_firmware"},{"vendor":"geutebrueck","product":"g-cam_efd-2241_firmware"},{"vendor":"geutebrueck","product":"g-cam_efd-2250_firmware"},{"vendor":"geutebrueck","product":"g-cam_efd-2251_firmware"},{"vendor":"geutebrueck","product":"g-cam_ethc-2230_firmware"},{"vendor":"geutebrueck","product":"g-cam_ethc-2239_firmware"},{"vendor":"geutebrueck","product":"g-cam_ethc-2240_firmware"},{"vendor":"geutebrueck","product":"g-cam_ethc-2249_firmware"},{"vendor":"geutebrueck","product":"g-cam_ewpc-2270_firmware"},{"vendor":"geutebrueck","product":"g-cam_ewpc-2271_firmware"},{"vendor":"geutebrueck","product":"g-cam_ewpc-2275_firmware"},{"vendor":"geutebrueck","product":"g-code_eec-2400_firmware"},{"vendor":"geutebrueck","product":"g-code_een-2010_firmware"},{"vendor":"geutebrueck","product":"g-code_een-2040_firmware"},{"vendor":"geutebrück","product":"e2 series"},{"vendor":"geutebrück","product":"encoder g-code"}],"references":[{"url":"https://www.randorisec.fr/fr/udp-technology-ip-camera-vulnerabilities/","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-208-03","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://packetstormsecurity.com/files/164191/Geutebruck-instantrec-Remote-Command-Execution.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33549"},{"url":"https://www.randorisec.fr/fr/udp-technology-ip-camera-vulnerabilities"},{"url":"https://github.com/advisories/GHSA-w6hr-fq55-vx95"}],"sources":{"cve":[{"id":"CVE-2021-33549","title":"UDP Technology/Geutebrück camera devices: Buffer overflow in action parameter leading to RCE","description":"Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the action parameter, which may allow an attacker to remotely execute arbitrary code.","status":"published","published":"2021-09-13T17:55:41.804Z","modified":"2024-09-17T00:00:56.974Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20241","description":"Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the action parameter, which may allow an attacker to remotely execute arbitrary code.","status":"published","published":"2021-09-13T17:55:41Z","modified":"2024-09-17T00:00:56Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:29:02.877229Z"}],"ghsa":[{"id":"GHSA-w6hr-fq55-vx95","title":"Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a...","description":"Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the action parameter, which may allow an attacker to remotely execute arbitrary code.","status":"published","published":"2022-05-24T22:29:01Z","modified":"2024-04-04T03:11:22Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:56:13.784244Z"}],"nvd":[{"id":"CVE-2021-33549","description":"Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the action parameter, which may allow an attacker to remotely execute arbitrary code.","status":"published","published":"2021-09-13T18:15:22.773Z","modified":"2026-06-17T03:54:46.54Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:06:58.502206Z"}]}}