Out-of-bounds write in Delta Electronics
Priority MEDIUM 40CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Delta Electronics DOPSoft Version 4.0.8.21 and prior is vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code.
Why it matters now
EPSS 0.0339 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Delta Electronics | DOPSoft Version 4.0.8.21 and prior | — | No fix listed | CNA |
- Delta Electronics Vendor— Affected DOPSoft Version 4.0.8.21 and prior Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-27275
- 2026-10-03 Alias added: GHSA-734r-xc2j-r7m7
References
Advisory 9
- https://us-cert.cisa.gov/ics/advisories/icsa-21-005-05
- https://www.zerodayinitiative.com/advisories/ZDI-21-038/
- https://www.zerodayinitiative.com/advisories/ZDI-21-036/
- https://www.zerodayinitiative.com/advisories/ZDI-21-035/
- https://www.zerodayinitiative.com/advisories/ZDI-21-037/
- https://www.zerodayinitiative.com/advisories/ZDI-21-032/
- https://www.zerodayinitiative.com/advisories/ZDI-21-028/
- https://www.zerodayinitiative.com/advisories/ZDI-21-034/
- https://www.zerodayinitiative.com/advisories/ZDI-21-029/
More deltaww Dopsoft vulnerabilities
- TI-2021-16010 Delta Electronics DOPSoft 2 Out-of-Bounds Write KEVCVSS 3.1HIGH 7.8
- TI-2023-23504 Delta Electronics Delta Industrial Automation DOPSoft DPS File wTextLen Buffer Overflow Remote Code Execution CVSS 3.1HIGH 8.8
- TI-2021-16006 Delta Electronics DOPSoft 2 Stack-Based Buffer Overflow CVSS 3.1HIGH 7.8
- TI-2023-23510 Delta Electronics Delta Industrial Automation DOPSoft DPS File wTitleTextLen Buffer Overflow Remote Code Execution CVSS 3.1HIGH 8.8
- TI-2023-23509 Delta Electronics Delta Industrial Automation DOPSoft DPS File wTTitleLen Buffer Overflow Remote Code Execution CVSS 3.1HIGH 8.8
- TI-2023-23507 Delta Electronics Delta Industrial Automation DOPSoft DPS File wLogTitlesActionLen Buffer Overflow Remote Code Execution CVSS 3.1HIGH 8.8
Sources
- CVE-2020-27275 · CVE Program
- CVE-2020-27275 · NVD
- FIRST EPSS
- GHSA-734r-xc2j-r7m7 · GitHub Advisory Database · CC BY 4.0
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