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01 Record

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),

UnratedPUBLISHEDCNA: siemens
CNA base scoreUnratedNo CNA CVSS vector

02 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),

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.34% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 70.8% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-07-12 10:06Z4 YR AGO
Last updated
2024-08-03 08:01Z2 YR AGO
Reserved
2022-06-13
Assigning CNA
siemens
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-306Missing Authentication for Critical FunctionBase
Data version
5.1
Document digest
4e1b14233075063dbfcbd9b5acf48b7c548b92d90a540a116d328048a8da5ecc

05 Affected products

VendorProductVersionsPlatforms
SiemensSIMATIC MV540 HAll versions < V3.3—
SiemensSIMATIC MV540 SAll versions < V3.3—
SiemensSIMATIC MV550 HAll versions < V3.3—
SiemensSIMATIC MV550 SAll versions < V3.3—
SiemensSIMATIC MV560 UAll versions < V3.3—
SiemensSIMATIC MV560 XAll versions < V3.3—

06 References