CVE-2022-33137

HIGH
8
CVSS Score
Published: July 12, 2022 at 10:06 AM UTC
Updated: June 17, 2026 at 04:48 AM UTC
12 products affected across 1 vendorSIMATIC MV560 U FirmwareSIMATIC MV540 H FirmwareSIMATIC MV540 S Firmware

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Severity
HIGH8
Exploit prediction
EPSS 0.9%

Description

A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3), SIMATIC MV540 S (All versions < V3.3), SIMATIC MV550 H (All versions < V3.3), SIMATIC MV550 S (All versions < V3.3), SIMATIC MV560 U (All versions < V3.3), SIMATIC MV560 X (All versions < V3.3). The web session management of affected devices does not invalidate session ids in certain logout scenarios. This could allow an authenticated remote attacker to hijack other users' sessions.

Affected

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

Affected range stops below 3.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.3, so it looks safe — our inference, not a vendor statement
All versions
All versions
All versions
All versions

Remediation

No guide yet

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

References (1)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-613

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