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HIGH · 7.5

CVE-2022-33138

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), SIMAT...

Vulnerability 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). Affected devices do not perform authentication for several web API endpoints. This could allow an unauthenticated remote attacker to read and download data from the device.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
SiemensSimatic Mv540 H Firmware< 3.3
SiemensSimatic Mv540 H-
SiemensSimatic Mv540 S Firmware< 3.3
SiemensSimatic Mv540 S-
SiemensSimatic Mv550 H Firmware< 3.3
SiemensSimatic Mv550 H-
SiemensSimatic Mv550 S Firmware< 3.3
SiemensSimatic Mv550 S-
SiemensSimatic Mv560 U Firmware< 3.3
SiemensSimatic Mv560 U-
SiemensSimatic Mv560 X Firmware< 3.3
SiemensSimatic Mv560 X-

Related Weaknesses (CWE)

CWE-306

References

FAQ

What is CVE-2022-33138?

CVE-2022-33138 is a vulnerability with a CVSS score of 7.5 (HIGH). 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), SIMAT...

How severe is CVE-2022-33138?

CVE-2022-33138 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-33138?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Simatic Mv540 H Firmware, Siemens Simatic Mv540 H, Siemens Simatic Mv540 S Firmware, Siemens Simatic Mv540 S, Siemens Simatic Mv550 H Firmware.