CVE-2020-27261
Omron CX-One
The 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 code.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The 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 code.
- Record
CVE-2020-27261- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-121, CWE-787
- Updated
- 2026-11-02
CVE List No score
Omron CX-One
The 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 code.
- Record
CVE-2020-27261- Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2020-19774 No score
The 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 code.
- Record
EUVD-2020-19774- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5x49-f55r-f2xh No score
The Omron CX-One Version 4.60 and prior is vulnerable to a stack-based buffer overflow, which may...
The 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 code.
- Record
GHSA-5x49-f55r-f2xh- Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-27261 is a high vulnerability (CVSS 8.8) in Omron Cx-one, published February 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.94%, the 94th percentile. No source names a fixed version.