{"cve":{"cve_id":"CVE-2021-3122","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.87383,"epss_percentile":0.99729,"epss_as_of":"2026-06-23","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.\"","published_at":"2021-02-07T19:45:03Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://rdf2.alohaenterprise.com/client/CMCInst.zip","https://www.tetradefense.com/incident-response-services/active-exploit-a-remote-code-execution-rce-vulnerability-for-ncr-aloha-point-of-sale/","https://github.com/roughb8722/CVE-2021-3122-Details/blob/main/CVE-2021-3122"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:15:35.002048Z"},"effective_severity":null,"badges":["poc","epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2021/CVE-2021-3122.yaml","title":"NCR Command Center Agent 16.3 - Remote Command Execution","author":"daffainfo,jjcho","disclosed_at":null}],"news":[],"references":[{"url":"https://rdf2.alohaenterprise.com/client/CMCInst.zip","source_type":"MISC","tags":[]},{"url":"https://www.tetradefense.com/incident-response-services/active-exploit-a-remote-code-execution-rce-vulnerability-for-ncr-aloha-point-of-sale/","source_type":"MISC","tags":[]},{"url":"https://github.com/roughb8722/CVE-2021-3122-Details/blob/main/CVE-2021-3122","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-02-07T19:45:03Z","label":"CVE published","source":null},{"type":"poc_available","at":"2026-06-24T00:29:48.638073Z","label":"Public PoC available","source":"nuclei"}]}