CVE-2020-18730
A segmentation violation in the Iec104_Deal_I function of IEC104 v1.0 allows attackers to cause a...
A segmentation violation in the Iec104_Deal_I function of IEC104 v1.0 allows attackers to cause 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 segmentation violation in the Iec104_Deal_I function of IEC104 v1.0 allows attackers to cause a denial of service (DOS).
- Record
CVE-2020-18730- 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-476
- Updated
- 2026-11-02
CVE List No score
A segmentation violation in the Iec104_Deal_I function of IEC104 v1.0 allows attackers to cause a denial of service (DOS).
- Record
CVE-2020-18730- Updated
- 2026-11-02
EUVDEUVD-2020-10647 No score
A segmentation violation in the Iec104_Deal_I function of IEC104 v1.0 allows attackers to cause a denial of service (DOS).
- Record
EUVD-2020-10647- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-49c5-7mr2-4w43
A segmentation violation in the Iec104_Deal_I function of IEC104 v1.0 allows attackers to cause a...
A segmentation violation in the Iec104_Deal_I function of IEC104 v1.0 allows attackers to cause a denial of service (DOS).
- Record
GHSA-49c5-7mr2-4w43- 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 - Weakness
- CWE-20, CWE-476
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-18730 is a high vulnerability (CVSS 7.5) in Iec104 Project Iec104, published August 23, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.41%, the 72nd percentile. No source names a fixed version.