CVE-2021-3122
9.8
CRITICAL · CVSS 3.1 · EPSS 87.3% (pctl 100)
Patch early
EPSS 87.3% — above the 10% action threshold.
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."
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 87.27% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-02-07 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| ncr | command center agent |
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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