CVE-2021-41769

HIGH
7.5
CVSS Score
Published: January 11, 2022 at 11:27 AM UTC
Updated: June 17, 2026 at 04:08 AM UTC
93 products affected across 1 vendor7SX85 Firmware7SS85 Firmware7SL82 Firmware

Using SIPROTEC 5 6MD85 devices (CPU variant CP300) by Siemens?

Get instant alerts when new vulnerabilities affect SIPROTEC 5 6MD85 devices (CPU variant CP300) - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 1.0%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 8.83
Affected range stops below 8.83, so it looks safe — our inference, not a vendor statement
siemens-6md85 (same device)
v < 8.83
Affected range stops below 8.83, so it looks safe — our inference, not a vendor statement
siemens-6md86 (same device)
v < 8.83
Affected range stops below 8.83, so it looks safe — our inference, not a vendor statement
siemens-6md89 (same device)
v < 8.83
Affected range stops below 8.83, so it looks safe — our inference, not a vendor statement
siemens-6mu85 (same device)
v < 8.83
Affected range stops below 8.83, so it looks safe — our inference, not a vendor statement
siemens-7ke85 (same device)
v < 8.83
Affected range stops below 8.83, so it looks safe — our inference, not a vendor statement
siemens-7sa82 (same device)
v < 8.83
Affected range stops below 8.83, so it looks safe — our inference, not a vendor statement
siemens-7sa86 (same device)
v < 8.83
Affected range stops below 8.83, so it looks safe — our inference, not a vendor statement
siemens-7sa87 (same device)
v < 8.83
Affected range stops below 8.83, so it looks safe — our inference, not a vendor statement
siemens-7sd82 (same device)
v < 8.83
Affected range stops below 8.83, so it looks safe — our inference, not a vendor statement
siemens-7sd86 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card