Lyrie
Critical CVE
CVSS 9.83 sources verified·1 min read
By Lyrie Threat Intelligence·6/17/2026

CRITICAL: CVE-2021-3122 (CVSS 9.8) — ncr command center agent

CVE: CVE-2021-3122

CVSS: 9.8 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: CRITICAL

Status: Critical advisory

Affected

  • ncr command center agent

Summary

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."

Verified Sources

References

  • https://github.com/roughb8722/CVE-2021-3122-Details/blob/main/CVE-2021-3122
  • 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
  • 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/

_Validated by the Lyrie Threat Intelligence Pipeline — 3 independent sources confirmed before publication. No speculation._

Lyrie Verdict

A vulnerability of this severity is exactly what Lyrie's anti-rogue-AI defense is built for: continuous, autonomous monitoring that doesn't wait for human reaction time.

Validated sources

  1. [1]NVD
  2. [2]GitHub Advisory
  3. [3]MITRE