What’s Vulnerable › Vulnerabilities

CVE-2021-3122

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 87.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-07 · updated 2026-06-17
• Weakness: CWE-78

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."

Affected products

• NCR Command Center Agent: 16.3

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/

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