02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: siemensA vulnerability has been identified in SIMATIC MV400 family (All Versions < V7.0.6). The underlying TCP stack of the affected products does not correctly validate the sequence number for incoming TCP
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- 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
- 1.03% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 61.3% 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:N/I:N/A:H
- 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.
SCHEMA: 5.1
- Published
- 2021-03-15 17:03Z5 YR AGO
- Last updated
- 2024-08-04 15:33Z2 YR AGO
- Reserved
- 2020-09-10
- Assigning CNA
- siemens
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-1285Improper Validation of Specified Index, Position, or Offset in InputBase
- CWE-129Improper Validation of Array IndexVariant
- Data version
- 5.1
- Document digest
- e64e20f573cc63a9eac789b22ab2abaab97b17cbb5ed0fee013ff5583d125e96
05 Affected products
PAIRS: 1VendorProductVersionsPlatforms