A heap buffer-overflow in the client_example1.c component of libiec_iccp_mod v1.5 leads to a denial of service (DOS).
Priority LOW 35CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · 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
A heap buffer-overflow in the client_example1.c component of libiec_iccp_mod v1.5 leads to a denial of service (DOS).
Why it matters now
EPSS 0.01071 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libiec_iccp_mod_project:libiec_iccp_mod:1.5:*:*:*:*:*:*:* | 1.5 | Vulnerable | Libiec Iccp Mod Project |
- cpe:2.3:a:libiec_iccp_mod_project:libiec_iccp_mod:1.5:*:*:*:*:*:*:* Versions 1.5 Vulnerable ·Libiec Iccp Mod Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-20490
- 2026-10-03 Alias added: GHSA-g6rg-9wpx-6xvm
References
More Libiec Iccp Mod Project Libiec Iccp Mod vulnerabilities
- TI-2020-13899 Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause… CVSS 3.1HIGH 7.5
- TI-2020-13898 Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause… CVSS 3.1HIGH 7.5
- TI-2020-13902 libiec_iccp_mod v1.5 contains a segmentation violation in the component server_example1.c. CVSS 3.1MEDIUM 6.5
- TI-2020-13901 libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_connection.c. CVSS 3.1MEDIUM 6.5
- TI-2020-13900 libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_example1.c. CVSS 3.1MEDIUM 6.5
Sources
- CVE-2020-20490 · CVE Program
- CVE-2020-20490 · NVD
- FIRST EPSS
- GHSA-g6rg-9wpx-6xvm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences