How many Siemens SIMATIC MV550 S CVEs are in CISA KEV?

None of Siemens SIMATIC MV550 S's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Which versions of Siemens SIMATIC MV550 S are affected?

6 distinct Siemens SIMATIC MV550 S versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.

What are the most common weakness types in Siemens SIMATIC MV550 S CVEs?

Siemens SIMATIC MV550 S's CVEs most often map to these CWE weakness types: CWE-400 (Uncontrolled Resource Consumption), CWE-770 (Allocation of Resources Without Limits or Throttling), CWE-306 (Missing Authentication for Critical Function), CWE-613 (Insufficient Session Expiration).

What is the average severity of Siemens SIMATIC MV550 S CVEs?

The average CVSS base score across Siemens SIMATIC MV550 S's scored CVEs is 8.0.

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Siemens

8 CVEs

Siemens SIMATIC MV550 S Vulnerabilities

Name: Siemens SIMATIC MV550 S vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for SIMATIC MV550 S by Siemens.

8

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

2

Public exploits

PoC or exploit code

8.0

Avg CVSS

2021–2026

Last updated January 27, 2026

Overview

Siemens SIMATIC MV550 S has 8 published CVE records since 2021, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 2 have a known public exploit. The average CVSS base score across scored CVEs is 8.0.

This page aggregates every publicly disclosed vulnerability (CVE) affecting Siemens SIMATIC MV550 S, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list.

Severity and exploitation

How the CVSS severity of Siemens SIMATIC MV550 S's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical0

High8

Medium0

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

None of Siemens SIMATIC MV550 S's CVEs are currently listed in CISA's KEV catalog.

Public exploits

2

2 of Siemens SIMATIC MV550 S's CVEs have a known public exploit available.

Affected versions and CVEs

Browse every Siemens SIMATIC MV550 S version named in a CVE, then pick one to see only the CVEs that affect it.

Version ranges

< V3.3.43 CVEs
>= All versions < V3.33 CVEs
>= All versions < V3.3.43 CVEs
< V3.01 CVE

Fixed in

V3.3.43 CVEs
V3.01 CVE

Find a version

8 CVEs

Sort

Stack buffer overflow in CMS (Auth)EnvelopedData parsing
CVE-2025-15467
Public exploit
Patch
CWE-787
High · CVSS 8.9
EPSS 47.6% (99th pct)2026-01-27
High vulnerability · 2023-07-11
CVE-2023-36521
Patch
CWE-770
High · CVSS 8.6
EPSS 0.6% (46th pct)2023-07-11
High vulnerability · 2023-07-11
CVE-2023-35921
Patch
CWE-400
High · CVSS 7.5
EPSS 0.9% (55th pct)2023-07-11
High vulnerability · 2023-07-11
CVE-2023-35920
Patch
CWE-400
High · CVSS 7.5
EPSS 0.9% (55th pct)2023-07-11
High vulnerability · 2022-07-12
CVE-2022-33138
Patch
CWE-306
High · CVSS 7.5
EPSS 1.3% (67th pct)2022-07-12
High vulnerability · 2022-07-12
CVE-2022-33137
Patch
CWE-613
High · CVSS 8.0
EPSS 0.8% (53th pct)2022-07-12
Infinite loop in BN_mod_sqrt() reachable when parsing certificates
CVE-2022-0778
Public exploit
Patch
CWE-835
High · CVSS 7.5
EPSS 70.6% (99th pct)2022-03-15
High vulnerability · 2021-07-13
CVE-2020-28400
Patch
CWE-770
High · CVSS 8.7
EPSS 1.9% (77th pct)2021-07-13

Common weakness types

The CWE weakness categories most often found in Siemens SIMATIC MV550 S CVEs. Follow any weakness for its full explanation.

Disclosure activity by year

How many Siemens SIMATIC MV550 S CVEs were published each year.

2021

1

2022

3

2023

3

2026

1

Other Siemens products

Browse vulnerabilities for other products by Siemens.

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP571 CVEs SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP569 CVEs SIPLUS S7-1500 CPU 1518-4 PN/DP MFP569 CVEs SIMATIC S7-1500 TM MFP - GNU/Linux subsystem455 CVEs RUGGEDCOM RST2428P276 CVEs SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family197 CVEs teamcenter visualization189 CVEs SIMATIC CN 4100186 CVEs

All Siemens vulnerabilities

Frequently asked questions

Common questions about Siemens SIMATIC MV550 S vulnerabilities.

How many CVEs does Siemens SIMATIC MV550 S have?: Siemens SIMATIC MV550 S has 8 published CVE records since 2021.
How many Siemens SIMATIC MV550 S CVEs are in CISA KEV?: None of Siemens SIMATIC MV550 S's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Are there public exploits for Siemens SIMATIC MV550 S vulnerabilities?: Yes — 2 of Siemens SIMATIC MV550 S's CVEs have a known public exploit.
Which versions of Siemens SIMATIC MV550 S are affected?: 6 distinct Siemens SIMATIC MV550 S versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.
What are the most common weakness types in Siemens SIMATIC MV550 S CVEs?: Siemens SIMATIC MV550 S's CVEs most often map to these CWE weakness types: CWE-400 (Uncontrolled Resource Consumption), CWE-770 (Allocation of Resources Without Limits or Throttling), CWE-306 (Missing Authentication for Critical Function), CWE-613 (Insufficient Session Expiration).
What is the average severity of Siemens SIMATIC MV550 S CVEs?: The average CVSS base score across Siemens SIMATIC MV550 S's scored CVEs is 8.0.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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