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Vulnerability record · CVE-2022-21137 · published 14 January 2022

CVE-2022-21137: Omron cx-one stack-based buffer overflow vulnerability

OOmron · Cx One

Omron CX-One Versions 4.60 and prior are vulnerable to a stack-based buffer overflow while processing specific project files, which may allow an attacker to execute arbitrary code.

7.8 CVSS 3.1 High EPSS 9.3% · top 4.8% CWE-121 · Stack-based buffer overflowCWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 6.8
9.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Omron CX-One Versions 4.60 and prior are vulnerable to a stack-based buffer overflow while processing specific project files, which may allow an attacker to execute arbitrary code.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.cisa.gov/uscert/ics/advisories/icsa-22-006-01 Third Party AdvisoryUS Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-22-373/ Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-374/ Third Party AdvisoryVDB Entry
https://www.cisa.gov/uscert/ics/advisories/icsa-22-006-01 Third Party AdvisoryUS Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-22-373/ Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-374/ Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2020-27259Omron cx-one vulnerabilityThe Omron CX-One Version 4.60 and prior may allow an attacker to supply a pointer to arbitrary memory locations, which may allow an attacker to remot…EPSS 2.7%8.8CVE-2020-27261Omron cx-one stack-based buffer overflow vulnerabilityThe Omron CX-One Version 4.60 and prior is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary cod…EPSS 7.6%7.8CVE-2021-27413Omron cx-one stack-based buffer overflow vulnerabilityOmron CX-One Versions 4.60 and prior, including CX-Server Versions 5.0.29.0 and prior, are vulnerable to a stack-based buffer overflow, which may all…EPSS 10.0%7.8CVE-2020-27257Omron cx-one type confusion vulnerabilityThis vulnerability allows local attackers to execute arbitrary code due to the lack of proper validation of user-supplied data, which can result in a…EPSS 1.8%7.8CVE-2018-19027Omron cx-one type confusion vulnerabilityThree type confusion vulnerabilities exist in CX-One Versions 4.50 and prior and CX-Protocol Versions 2.0 and prior when processing project files. An…EPSS 1.4%7.8CVE-2018-18989Omron cx-one use after free vulnerabilityIn CX-One Versions 4.42 and prior (CX-Programmer Versions 9.66 and prior and CX-Server Versions 5.0.23 and prior), when processing project files, the…EPSS 1.6%7.8CVE-2018-18993Omron cx-one stack-based buffer overflow vulnerabilityTwo stack-based buffer overflow vulnerabilities have been discovered in CX-One Versions 4.42 and prior (CX-Programmer Versions 9.66 and prior and CX-…EPSS 1.8%7.8CVE-2018-7514Omron cx-flnet stack-based buffer overflow vulnerabilityParsing malformed project files in Omron CX-One versions 4.42 and prior, including the following applications: CX-FLnet versions 1.00 and prior, CX-P…EPSS 0.32%

Source: NIST National Vulnerability Database (record CVE-2022-21137), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.