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01 Record

CVE-2021-25669

A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT PRO (All versions < 5.5.1), SCALANCE X202-2 IRT

UnratedPUBLISHEDCNA: siemens
CNA base scoreUnratedNo CNA CVSS vector

02 Description

A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT PRO (All versions < 5.5.1), SCALANCE X202-2 IRT

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
2.12% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 81.8% of scored records. A rank, not a probability.
NVD base score
9.8 (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:H/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.

04 Metadata

Published
2021-04-22 20:42Z5 YR AGO
Last updated
2024-08-03 20:11Z2 YR AGO
Reserved
2021-01-21
Assigning CNA
siemens
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-121Stack-based Buffer OverflowVariant
  • CWE-787Out-of-bounds WriteBase
Data version
5.1
Document digest
851ed0621acf9191b87e23c7fd1d9cc68e51252fd2c9817d25e8ed6f962a73fe

05 Affected products

VendorProductVersionsPlatforms
SiemensSCALANCE X200-4P IRTAll versions < 5.5.1—
SiemensSCALANCE X201-3P IRTAll versions < 5.5.1—
SiemensSCALANCE X201-3P IRT PROAll versions < 5.5.1—
SiemensSCALANCE X202-2 IRTAll versions < 5.5.1—
SiemensSCALANCE X202-2P IRT PROAll versions < 5.5.1—
SiemensSCALANCE X204 IRTAll versions < 5.5.1—
SiemensSCALANCE X204 IRT PROAll versions < 5.5.1—
SiemensSCALANCE X204-2 (incl. SIPLUS NET variant)All versions < V5.2.5—
SiemensSCALANCE X204-2FMAll versions < V5.2.5—
SiemensSCALANCE X204-2LD (incl. SIPLUS NET variant)All versions < V5.2.5—
SiemensSCALANCE X204-2LD TSAll versions < V5.2.5—
SiemensSCALANCE X204-2TSAll versions < V5.2.5—
SiemensSCALANCE X206-1All versions < V5.2.5—
SiemensSCALANCE X206-1LDAll versions < V5.2.5—
SiemensSCALANCE X208 (incl. SIPLUS NET variant)All versions < V5.2.5—
SiemensSCALANCE X208PROAll versions < V5.2.5—
SiemensSCALANCE X212-2 (incl. SIPLUS NET variant)All versions < V5.2.5—
SiemensSCALANCE X212-2LDAll versions < V5.2.5—
SiemensSCALANCE X216All versions < V5.2.5—
SiemensSCALANCE X224All versions < V5.2.5—
SiemensSCALANCE XF201-3P IRTAll versions < 5.5.1—
SiemensSCALANCE XF202-2P IRTAll versions < 5.5.1—
SiemensSCALANCE XF204All versions < V5.2.5—
SiemensSCALANCE XF204 IRTAll versions < 5.5.1—
SiemensSCALANCE XF204-2 (incl. SIPLUS NET variant)All versions < V5.2.5—
SiemensSCALANCE XF204-2BA IRTAll versions < 5.5.1—
SiemensSCALANCE XF206-1All versions < V5.2.5—
SiemensSCALANCE XF208All versions < V5.2.5—

06 References