---
title: "CVE-2021-3122: CMCAgent in NCR Command Center Agent 16.3… | CubePath"
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…"
language: en
source: https://cubepath.com/security/cve/CVE-2021-3122
---

# CVE-2021-3122: CMCAgent in NCR Command Center Agent 16.3… | CubePath

## 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."

Official description from the CVE record, published by mitre. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2021-3122)

## Key data

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.87924 (87.9% probability)

Percentile

99.8%

Scores of

Nov 10, 2026

Model

v2026.06.15

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [rdf2.alohaenterprise.com/client/CMCInst.zip](https://rdf2.alohaenterprise.com/client/CMCInst.zip)
- [tetradefense.com/incident-response-services/active-exploit-…](https://www.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-2…](https://github.com/roughb8722/CVE-2021-3122-Details/blob/main/CVE-2021-3122)

## Timeline

1. ID reserved Jan 11, 2021
2. Record published Feb 7, 2021
3. Record last updated Aug 3, 2024

## Look up another CVE

## About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

[Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection)

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:03 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)