Vulnerability Monitor

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CVE-2021-41769

A vulnerability has been identified in SIPROTEC 5 6MD85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 6MD86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 6MD89 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 6MU85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7KE85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SA82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SA86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SA87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SD82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SD86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SD87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SJ81 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SJ82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SJ85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SJ86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SK82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SK85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SL82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SL86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SL87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SS85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7ST85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SX85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7UM85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7UT82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7UT85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7UT86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7UT87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7VE85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7VK87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 Compact 7SX800 devices (CPU variant CP050) (All versions < V8.83). An improper input validation vulnerability in the web server could allow an unauthenticated user to access device information.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 62 products from siemens, from siemens, from siemens and 59 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2022-01-11T12:15:10.037

Last Modified

2024-11-21T06:26:43.700

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-20
Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	siemens	6md85_firmware	< 8.83	Yes
Hardware	siemens	6md85	-	No
Operating System	siemens	6md86_firmware	< 8.83	Yes
Hardware	siemens	6md86	-	No
Operating System	siemens	6md89_firmware	< 8.83	Yes
Hardware	siemens	6md89	-	No
Operating System	siemens	6mu85_firmware	< 8.83	Yes
Hardware	siemens	6mu85	-	No
Operating System	siemens	7ke85_firmware	< 8.83	Yes
Hardware	siemens	7ke85	-	No
Operating System	siemens	7sa82_firmware	< 8.83	Yes
Hardware	siemens	7sa82	-	No
Operating System	siemens	7sa86_firmware	< 8.83	Yes
Hardware	siemens	7sa86	-	No
Operating System	siemens	7sa87_firmware	< 8.83	Yes
Hardware	siemens	7sa87	-	No
Operating System	siemens	7sd82_firmware	< 8.83	Yes
Hardware	siemens	7sd82	-	No
Operating System	siemens	7sd86_firmware	< 8.83	Yes
Hardware	siemens	7sd86	-	No
Operating System	siemens	7sd87_firmware	< 8.83	Yes
Hardware	siemens	7sd87	-	No
Operating System	siemens	7sj81_firmware	< 8.83	Yes
Hardware	siemens	7sj81	-	No
Operating System	siemens	7sj82_firmware	< 8.83	Yes
Hardware	siemens	7sj82	-	No
Operating System	siemens	7sj85_firmware	< 8.83	Yes
Hardware	siemens	7sj85	-	No
Operating System	siemens	7sj86_firmware	< 8.83	Yes
Hardware	siemens	7sj86	-	No
Operating System	siemens	7sk82_firmware	< 8.83	Yes
Hardware	siemens	7sk82	-	No
Operating System	siemens	7sk85_firmware	< 8.83	Yes
Hardware	siemens	7sk85	-	No
Operating System	siemens	7sl82_firmware	< 8.83	Yes
Hardware	siemens	7sl82	-	No
Operating System	siemens	7sl86_firmware	< 8.83	Yes
Hardware	siemens	7sl86	-	No
Operating System	siemens	7sl87_firmware	< 8.83	Yes
Hardware	siemens	7sl87	-	No
Operating System	siemens	7ss85_firmware	< 8.83	Yes
Hardware	siemens	7ss85	-	No
Operating System	siemens	7st85_firmware	< 8.83	Yes
Hardware	siemens	7st85	-	No
Operating System	siemens	7sx800_firmware	< 8.83	Yes
Hardware	siemens	7sx800	-	No
Operating System	siemens	7sx85_firmware	< 8.83	Yes
Hardware	siemens	7sx85	-	No
Operating System	siemens	7um85_firmware	< 8.83	Yes
Hardware	siemens	7um85	-	No
Operating System	siemens	7ut82_firmware	< 8.83	Yes
Hardware	siemens	7ut82	-	No
Operating System	siemens	7ut85_firmware	< 8.83	Yes
Hardware	siemens	7ut85	-	No
Operating System	siemens	7ut86_firmware	< 8.83	Yes
Hardware	siemens	7ut86	-	No
Operating System	siemens	7ut87_firmware	< 8.83	Yes
Hardware	siemens	7ut87	-	No
Operating System	siemens	7ve85_firmware	< 8.83	Yes
Hardware	siemens	7ve85	-	No
Operating System	siemens	7vk87_firmware	< 8.83	Yes
Hardware	siemens	7vk87	-	No

References

https://cert-portal.siemens.com/productcert/pdf/ssa-439673.pdf Vendor Advisory ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-439673.pdf Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For siemens's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.