CVE-2020-18731

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A segmentation violation in the Iec104_Deal_FirmUpdate function of IEC104 v1.0 allows attackers to cause a denial of service (DOS).

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

No affected versions have been published.

Timeline

Published
Aug 23, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-187347.5A stack buffer overflow in /ddsi/q_bitset.h of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.CVE-2020-187357.5A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.CVE-2020-187376.1An issue was discovered in Typora 0.9.67. There is an XSS vulnerability that causes Remote Code Execution.CVE-2020-18745.5NIP6800;Secospace USG6600;USG9500 products versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have a invalid pointer access vulneCVE-2020-187415.3Improper Authorization in ThinkSAAS v2.7 allows remote attackers to modify the description of any user's photo via the "photoid%5B%5D" and "CVE-2020-187467.2SQL Injection in AiteCMS v1.0 allows remote attackers to execute arbitrary code via the component "aitecms/login/diy_list.php".CVE-2020-187486.1Cross Site Scripting (XSS) in Typora v0.9.65 allows attackers to execute arbitrary code via mathjax syntax due to a mathjax configuration erCVE-2020-18755.5NIP6800;Secospace USG6600;USG9500 products versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an invalid pointer access vulnCVE-2020-187507.8Buffer overflow in pdf2json 0.69 allows local users to execute arbitrary code by converting a crafted PDF file.CVE-2020-187539.8An issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to gain access to the system and escalate privileges via a cCVE-2020-187547.5An information disclosure vulnerability exists within Dut Computer Control Engineering Co.'s PLC MAC1100.CVE-2020-187567.5An arbitrary memory access vulnerability in the EPA protocol of Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to read
CVE-2020-18731: High severity, CVSS 7.5 | Vulnix