CVE-2021-27480
Delta Industrial Automation COMMGR Versions 1.12 and prior are vulnerable to a stack-based buffer...
Delta Industrial Automation COMMGR Versions 1.12 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to execute remote code.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Delta Industrial Automation COMMGR Versions 1.12 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to execute remote code.
- Record
CVE-2021-27480- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-121
- Updated
- 2026-11-02
CVE List No score
Delta Industrial Automation COMMGR Versions 1.12 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to execute remote code.
- Record
CVE-2021-27480- Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2021-14234 No score
Delta Industrial Automation COMMGR Versions 1.12 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to execute remote code.
- Record
EUVD-2021-14234- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6xq6-9j2p-q9cg No score
Delta Industrial Automation COMMGR Versions 1.12 and prior are vulnerable to a stack-based buffer...
Delta Industrial Automation COMMGR Versions 1.12 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to execute remote code.
- Record
GHSA-6xq6-9j2p-q9cg- Weakness
- CWE-121
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27480 is a critical vulnerability (CVSS 9.8) in Deltaww Industrial Automation Commgr, published April 27, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.27%, the 69th percentile. No source names a fixed version.