CVE-2020-20490
A heap buffer-overflow in the client_example1.c component of libiec_iccp_mod v1.5 leads to a...
A heap buffer-overflow in the client_example1.c component of libiec_iccp_mod v1.5 leads to a denial of service (DOS).
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A heap buffer-overflow in the client_example1.c component of libiec_iccp_mod v1.5 leads to a denial of service (DOS).
- Record
CVE-2020-20490- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
A heap buffer-overflow in the client_example1.c component of libiec_iccp_mod v1.5 leads to a denial of service (DOS).
- Record
CVE-2020-20490- Updated
- 2026-11-02
EUVDEUVD-2020-13277 No score
A heap buffer-overflow in the client_example1.c component of libiec_iccp_mod v1.5 leads to a denial of service (DOS).
- Record
EUVD-2020-13277- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g6rg-9wpx-6xvm No score
A heap buffer-overflow in the client_example1.c component of libiec_iccp_mod v1.5 leads to a...
A heap buffer-overflow in the client_example1.c component of libiec_iccp_mod v1.5 leads to a denial of service (DOS).
- Record
GHSA-g6rg-9wpx-6xvm- Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
A heap buffer-overflow in the client_example1.c component of libiec_iccp_mod v1.5 leads to a denial of service (DOS).
- Record
CVE-2020-20490- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-20490 is a high vulnerability (CVSS 7.5) in Libiec Iccp Mod Project Iccp Mod, published August 31, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.07%, the 65th percentile. No source names a fixed version.