CVE-2021-40365

CWE-20 — Improper Input Validation3 documents3 sources
Severity
7.5HIGH
EPSS
0.2%
top 59.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
165
Siemens Simatic S7-1200 CPU 1211c FirmwareSiemens Simatic S7-1200 CPU 1212c FirmwareSiemens Simatic S7-1200 CPU 1212fc Firmware+162 more
Timeline
PublishedDec 13

Description

Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.

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 Packages165 packages

Patches

Patch: cert-portal.siemens.com ↗Patch: cert-portal.siemens.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-6x86-2ph3-crc4: A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V3↗2022-12-13
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CVEList
CVE-2021-40365: Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of serv↗2022-12-13
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CVE-2021-40365 (HIGH CVSS 7.5) | Affected devices don't process corr | cvebase.io