NULL pointer dereference in Delta Electronics
Priority LOW 38CWE-822Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution, Denial of service
- 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-822, CWE-476 and the CVSS impact.
Summary
Delta Electronics DOPSoft Version 4.0.8.21 and prior has a null pointer dereference issue while processing project files, which may allow an attacker to execute arbitrary code.
Why it matters now
EPSS 0.0228 83rd 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-2020-27277
- 2026-10-03 Alias added: GHSA-g9mq-5vvv-88hf
References
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-2020-27277 · CVE Program
- CVE-2020-27277 · NVD
- FIRST EPSS
- GHSA-g9mq-5vvv-88hf · GitHub Advisory Database · CC BY 4.0
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