{"id":"CVE-2021-3122","aliases":["EUVD-2021-26472","GHSA-xcf5-m6c7-75hg"],"status":"published","title":"CMCAgent in NCR Command Center Agent 16.3 on Aloha POS/BOH servers permits the submission of a...","description":"CMCAgent in NCR Command Center Agent 16.3 on Aloha POS/BOH servers permits the submission of a runCommand parameter (within an XML document sent to port 8089) that enables the remote, unauthenticated execution of an arbitrary command as SYSTEM, as exploited in the wild in 2020 and/or 2021. NOTE: the vendor's position is that exploitation occurs only on devices with a certain \"misconfiguration.\"","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.87924,"percentile":0.99765,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-78"],"published":"2021-02-07T19:45:03Z","modified":"2026-06-17T04:04:42Z","exploits":[{"source":"metasploit","id":"exploit/windows/misc/ncr_cmcagent_rce","title":"NCR Command Center Agent Remote Code Execution","type":"exploit","platform":"Windows","date":"2021-02-07","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/misc/ncr_cmcagent_rce"},{"source":"nuclei","id":"CVE-2021-3122","title":"NCR Command Center Agent 16.3 - Remote Command Execution","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2021/CVE-2021-3122.yaml"},{"source":"pocgithub","id":"acquiredsecurity/CVE-2021-3122-Details","title":"acquiredsecurity/CVE-2021-3122-Details","date":"2021-02-07","url":"https://github.com/acquiredsecurity/CVE-2021-3122-Details"}],"products":[{"vendor":"ncr","product":"command_center_agent"}],"references":[{"url":"https://rdf2.alohaenterprise.com/client/CMCInst.zip","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.tetradefense.com/incident-response-services/active-exploit-a-remote-code-execution-rce-vulnerability-for-ncr-aloha-point-of-sale/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://github.com/roughb8722/CVE-2021-3122-Details/blob/main/CVE-2021-3122","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3122"},{"url":"https://github.com/advisories/GHSA-xcf5-m6c7-75hg"}],"sources":{"cve":[{"id":"CVE-2021-3122","description":"CMCAgent in NCR Command Center Agent 16.3 on Aloha POS/BOH servers permits the submission of a runCommand parameter (within an XML document sent to port 8089) that enables the remote, unauthenticated execution of an arbitrary command as SYSTEM, as exploited in the wild in 2020 and/or 2021. NOTE: the vendor's position is that exploitation occurs only on devices with a certain \"misconfiguration.\"","status":"published","published":"2021-02-07T19:45:03Z","modified":"2024-08-03T16:45:51.385Z","updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26472","description":"CMCAgent in NCR Command Center Agent 16.3 on Aloha POS/BOH servers permits the submission of a runCommand parameter (within an XML document sent to port 8089) that enables the remote, unauthenticated execution of an arbitrary command as SYSTEM, as exploited in the wild in 2020 and/or 2021. NOTE: the vendor's position is that exploitation occurs only on devices with a certain \"misconfiguration.\"","status":"published","published":"2021-02-07T19:45:03Z","modified":"2024-08-03T16:45:51Z","updated_at":"2026-11-03T03:25:13.531128Z"}],"ghsa":[{"id":"GHSA-xcf5-m6c7-75hg","title":"CMCAgent in NCR Command Center Agent 16.3 on Aloha POS/BOH servers permits the submission of a...","description":"CMCAgent in NCR Command Center Agent 16.3 on Aloha POS/BOH servers permits the submission of a runCommand parameter (within an XML document sent to port 8089) that enables the remote, unauthenticated execution of an arbitrary command as SYSTEM, as exploited in the wild in 2020 and/or 2021. NOTE: the vendor's position is that exploitation occurs only on devices with a certain \"misconfiguration.\"","status":"published","published":"2022-05-24T17:41:15Z","modified":"2023-01-29T05:05:16Z","cwes":["CWE-78"],"updated_at":"2026-11-02T14:45:45.423268Z"}],"nvd":[{"id":"CVE-2021-3122","description":"CMCAgent in NCR Command Center Agent 16.3 on Aloha POS/BOH servers permits the submission of a runCommand parameter (within an XML document sent to port 8089) that enables the remote, unauthenticated execution of an arbitrary command as SYSTEM, as exploited in the wild in 2020 and/or 2021. NOTE: the vendor's position is that exploitation occurs only on devices with a certain \"misconfiguration.\"","status":"published","published":"2021-02-07T20:15:12.543Z","modified":"2026-06-17T04:04:42.36Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:49.660551Z"}]}}