RCE in Ncr Command Center Agent
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."
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.873 (99.8th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.873 · newest: 0.873 · change: 0.000
Affected products
- Ncr Command Center Agent — versions 16.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- rdf2.alohaenterprise.com/client/CMCInst.zip (Third Party Advisory)
- www.tetradefense.com/incident-response-services/active-exploit-a-remote-code-ex… (Third Party Advisory)
- github.com/roughb8722/CVE-2021-3122-Details/blob/main/CVE-2021-3122 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3122?
- CVE-2021-3122 is a critical-severity vulnerability in Ncr Command Center Agent, classified under OS Command Injection. CVSS score: 9.8/10. Published 2021-02-07.
- How severe is CVE-2021-3122?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-3122 known to be exploited?
- 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.