What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2021-33719.

What is the affected software?

The affected software is Siemens SIPROTEC 5 relays with CPU variants CP050 (All versions < V8.80), CP100 (All versions < V8.80), and CP300 (All versions < V8.80).

What is the severity of CVE-2021-33719?

The severity of CVE-2021-33719 is critical, with a CVSS score of 9.8.

How can the vulnerability be exploited?

The vulnerability can be exploited by sending specially crafted packets to port 4443/tcp.

Are there any known fixes for this vulnerability?

Siemens has not provided any specific fixes for this vulnerability, but organizations are advised to refer to the provided reference for any updates or patches.

Vulnerability/
CVE-2021-33719

critical

9.8

CWE

120

14/9/2021

3/8/2024

CVE-2021-33719

Q: What is the severity of CVE-2021-33719?

The severity of CVE-2021-33719 is critical, with a CVSS score of 9.8.

Q: How can the vulnerability be exploited?

The vulnerability can be exploited by sending specially crafted packets to port 4443/tcp.

Q: Are there any known fixes for this vulnerability?

Siemens has not provided any specific fixes for this vulnerability, but organizations are advised to refer to the provided reference for any updates or patches.

First published: Tue Sep 14 2021(Updated: )

A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP100 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP300 (All versions < V8.80). Specially crafted packets sent to port 4443/tcp could cause a Denial-of-Service condition or potential remote code execution.

Credit: productcert@siemens.com

Affected Software	Affected Version	How to fix
Siemens SIPROTEC 5	<8.80
Siemens SIPROTEC 5 with CPU variant CP100	<8.80
Siemens SIPROTEC 5 with CPU variant CP300	<8.80

Remedy

https://cert-portal.siemens.com/productcert/pdf/ssa-847986.pdf

Never miss a vulnerability like this again

Reference Links

https://cert-portal.siemens.com/productcert/pdf/ssa-847986.pdf

Frequently Asked Questions

What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-33719.
What is the affected software?
The affected software is Siemens SIPROTEC 5 relays with CPU variants CP050 (All versions < V8.80), CP100 (All versions < V8.80), and CP300 (All versions < V8.80).
What is the severity of CVE-2021-33719?
The severity of CVE-2021-33719 is critical, with a CVSS score of 9.8.
How can the vulnerability be exploited?
The vulnerability can be exploited by sending specially crafted packets to port 4443/tcp.
Are there any known fixes for this vulnerability?
Siemens has not provided any specific fixes for this vulnerability, but organizations are advised to refer to the provided reference for any updates or patches.

agent/type
collector/mitre-cve
source/MITRE
agent/references
agent/weakness
agent/last-modified-date
agent/severity
agent/author
agent/remedy
agent/first-publish-date
agent/event
agent/description
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/siemens
canonical/siemens siprotec 5
canonical/siemens siprotec 5 with cpu variant cp100
canonical/siemens siprotec 5 with cpu variant cp300

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