CVE-2021-3122
CMCAgent in NCR Command Center Agent 16.3 on Aloha POS/BOH servers permits the submission of a...
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."
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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."
- Record
CVE-2021-3122- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-2021-3122- Updated
- 2026-11-02
EUVDEUVD-2021-26472 No score
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."
- Record
EUVD-2021-26472- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xcf5-m6c7-75hg No score
CMCAgent in NCR Command Center Agent 16.3 on Aloha POS/BOH servers permits the submission of a...
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."
- Record
GHSA-xcf5-m6c7-75hg- Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | NCR Command Center Agent Remote Code Execution | 2021-02-07 |
| Nuclei | NCR Command Center Agent 16.3 - Remote Command Execution | |
| PoC in GitHub | acquiredsecurity/CVE-2021-3122-Details | 2021-02-07 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Metasploit, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-3122 is a critical vulnerability (CVSS 9.8) in Ncr Command Center Agent, published February 7, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 87.9%, the 99th percentile. No source names a fixed version.
References
rdf2.alohaenterprise.com/client/CMCInst.zip
tetradefense.com/incident-response-services/active-exploit-a-remote-code-execution-rce-vulnerability-for-ncr-aloha-point-of-sale
github.com/roughb8722/CVE-2021-3122-Details/blob/main/CVE-2021-3122
nvd.nist.gov/vuln/detail/CVE-2021-3122