CVE-2021-30186

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
7.5HIGH
EPSS
0.5%
top 36.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
29
Codesys PlcwinntCodesys Runtime ToolkitWago 750-8202 Firmware+26 more
Timeline
PublishedMay 25
Latest updateMay 24

Description

CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages29 packages

▶NVDcodesys/runtime_toolkit< 2.4.7.55
▶NVDcodesys/plcwinnt< 2.4.7.55

🔴Vulnerability Details

2
GHSA
GHSA-9ppp-5qxh-r7w5: CODESYS V2 runtime system SP before 2↗2022-05-24
▶
CVEList
CVE-2021-30186: CODESYS V2 runtime system SP before 2↗2021-05-25
▶
CVE-2021-30186 (HIGH CVSS 7.5) | CODESYS V2 runtime system SP before | cvebase.io