Loading HuntDB...
Hunt
Vulnerability Intelligence by wss.sh
Home Daily Briefings High Impact CVEs Recent Exploits KEV Catalog GitHub Advisories Latest Updates Security News
Sign In Sign Up

CVE-2021-40368

HIGH
Published 2022-04-12T09:07:23.000Z
Actions:

Expert Analysis

Professional remediation guidance

Get tailored security recommendations from our analyst team for CVE-2021-40368. We'll provide specific mitigation strategies based on your environment and risk profile.

CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.149
Higher than 14.9% of all CVEs

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

Description

A vulnerability has been identified in SIMATIC S7-400 CPU 412-1 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414-2 DP V7 (All versions), SIMATIC S7-400 CPU 414-3 DP V7 (All versions), SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416-2 DP V7 (All versions), SIMATIC S7-400 CPU 416-3 DP V7 (All versions), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416F-2 DP V7 (All versions), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 417-4 DP V7 (All versions), SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants) (All versions < V6.0.10), SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants) (All versions < V10.1), SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants) (All versions < V8.2.3), SIPLUS S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIPLUS S7-400 CPU 416-3 PN/DP V7 (All versions < V7.0.3), SIPLUS S7-400 CPU 416-3 V7 (All versions), SIPLUS S7-400 CPU 417-4 V7 (All versions). Affected devices improperly handle specially crafted packets sent to port 102/tcp.

This could allow an attacker to create a Denial-of-Service condition. A restart is needed to restore normal operations.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Siemens

SIMATIC S7-400 CPU 412-1 DP V7

Affected Versions:

All versions
Siemens

SIMATIC S7-400 CPU 412-2 DP V7

Affected Versions:

All versions
Siemens

SIMATIC S7-400 CPU 412-2 PN/DP V7

Affected Versions:

All versions < V7.0.3
Siemens

SIMATIC S7-400 CPU 414-2 DP V7

Affected Versions:

All versions
Siemens

SIMATIC S7-400 CPU 414-3 DP V7

Affected Versions:

All versions
Siemens

SIMATIC S7-400 CPU 414-3 PN/DP V7

Affected Versions:

All versions < V7.0.3
Siemens

SIMATIC S7-400 CPU 414F-3 PN/DP V7

Affected Versions:

All versions < V7.0.3
Siemens

SIMATIC S7-400 CPU 416-2 DP V7

Affected Versions:

All versions
Siemens

SIMATIC S7-400 CPU 416-3 DP V7

Affected Versions:

All versions
Siemens

SIMATIC S7-400 CPU 416-3 PN/DP V7

Affected Versions:

All versions < V7.0.3
Siemens

SIMATIC S7-400 CPU 416F-2 DP V7

Affected Versions:

All versions
Siemens

SIMATIC S7-400 CPU 416F-3 PN/DP V7

Affected Versions:

All versions < V7.0.3
Siemens

SIMATIC S7-400 CPU 417-4 DP V7

Affected Versions:

All versions
Siemens

SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants)

Affected Versions:

All versions < V6.0.10
Siemens

SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants)

Affected Versions:

All versions < V10.1
Siemens

SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants)

Affected Versions:

All versions < V8.2.3
Siemens

SIPLUS S7-400 CPU 414-3 PN/DP V7

Affected Versions:

All versions < V7.0.3
Siemens

SIPLUS S7-400 CPU 416-3 PN/DP V7

Affected Versions:

All versions < V7.0.3
Siemens

SIPLUS S7-400 CPU 416-3 V7

Affected Versions:

All versions
Siemens

SIPLUS S7-400 CPU 417-4 V7

Affected Versions:

All versions

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-q4w8-vrmx-g9m6

Advisory Details

A vulnerability has been identified in SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants) (All versions < V6.0.10), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants) (All versions < V10.1), SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants) (All versions). Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a Denial-of-Service condition. A restart is needed to restore normal operations.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-40368
WEB https://cert-portal.siemens.com/productcert/pdf/ssa-557541.pdf

Advisory provided by GitHub Security Advisory Database. Published: April 13, 2022, Modified: April 21, 2022

References

https://cert-portal.siemens.com/productcert/pdf/ssa-557541.pdf
Published: 2022-04-12T09:07:23.000Z
Last Modified: 2025-04-21T13:54:27.056Z
Copied to clipboard!