CVE-2021-3122 in the critical feed json
CMCAgent in NCR Command Center Agent 16.3 on Aloha POS/BOH servers permits the submission of a runCommand parameter (within an XML document…
published 2021-02-07 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26472
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 87.9%
- EPSS 87.9% chance of exploitation in 30 days, percentile 99.7%
- public exploits
- 1
- Metasploit, plus a Nuclei check
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."
Timeline
- First public exploit (Metasploit exploit/windows/misc/ncr_cmcagent_rce)
- Published
Exploit prediction
87.92% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/windows/misc/ncr_cmcagent_rce NCR Command Center Agent Remote Code Execution metasploit exploit, normal rank, 2021-02-07
- Nuclei template NCR Command Center Agent 16.3 - Remote Command Execution nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
rdf2.alohaenterprise.com
/client/CMCInst.zip
third-party-advisory
-
tetradefense.com
/incident-response-services/active-exploit-a-remote-code-execution-rce-vulnerability-for-ncr-aloha-point-of-sa
third-party-advisory
-
github.com
/roughb8722/CVE-2021-3122-Details/blob/main/CVE-2021-3122
third-party-advisory
Sources
- CVE List CVE-2021-3122
- NVD CVE-2021-3122
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