What’s Vulnerable › Vulnerabilities

CVE-2021-27413

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 10.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-13 · updated 2026-06-17
• Weakness: CWE-121

Description

Omron 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 allow an attacker to execute arbitrary code.

Affected products

• Omron CX-One: through 4.60
• Omron CX-Server: through 5.0.29

References

• https://us-cert.cisa.gov/ics/advisories/icsa-21-131-01
• https://www.zerodayinitiative.com/advisories/ZDI-21-588/
• https://us-cert.cisa.gov/ics/advisories/icsa-21-131-01
• https://www.zerodayinitiative.com/advisories/ZDI-21-588/

Get alerted when CVE-2021-27413 or the next vulnerability affects your stack