CVE-2021-3122
CVSS v3
9.8
CRITICAL
EPSS Score
87.3 %
exploit probability, as of 2026-10-05
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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."
Technical details
- Published
- 2021-02-07
Frequently asked questions
What is CVE-2021-3122?
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."
Is CVE-2021-3122 actively exploited?
Active exploitation of CVE-2021-3122 has not been confirmed. Its EPSS score was 87.3% on 2026-10-05, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-3122?
CVE-2021-3122 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-3122 affecting your environment?
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