CVE-2021-27480 json
Delta Industrial Automation COMMGR Versions 1.12 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to…
published 2021-04-27 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14234
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
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.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-110-03 updated cvss 9.8
Delta Industrial Automation COMMGR
-
Delta Electronics COMMGR <= 1.12affected: vendor fix downloadcenter.deltaww.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
1.27% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- n/a Delta Industrial Automation COMMGR
Classification
- Weakness
-
- CWE-121 Stack-based Buffer Overflow
References
-
us-cert.cisa.gov
/ics/advisories/icsa-21-110-03
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2021-27480
- NVD CVE-2021-27480
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