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."

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

87.27% chance of exploitation in the next 30 days, 100th percentile

Nuclei

critical · CWE-78

Published

2021-02-07

Updated

2024-08-03

Proof-of-concept exploits (3)

• https://www.tetradefense.com/incident-response-services/active-exploit-a-remote-code-exec…
• acquiredsecurity/CVE-2021-3122-Details3★ · 2022-11-01
• roughb8722/CVE-2021-3122-Details3★ · 2022-11-01

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/network/cves/2021/CVE-2021-3122.yaml

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/windows/misc/ncr_cmcagent_rce.rb

References

• CVE Record
• NVD entry

Related

• CVE-2021-31207
• CVE-2021-31229
• CVE-2021-3120
• CVE-2021-31239
• CVE-2021-31195
• CVE-2021-3124