CVE-2020-25241

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
A 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 RST packages. An attacker could exploit this to terminate arbitrary TCP sessions.
Overview
  • CVE ID
  • CVE-2020-25241
  • Assigner
  • productcert@siemens.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-15T17:15:20
  • Last Modified Date
  • 2021-03-18T20:04:09
Weakness Enumerations
CWE URL
CWE-129 http://cwe.mitre.org/data/definitions/129.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:siemens:simatic_mv440_sr_firmware:*:*:*:*:*:*:*:* 1 OR 7.0.6
cpe:2.3:h:siemens:simatic_mv440_sr:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:simatic_mv440_hr_firmware:*:*:*:*:*:*:*:* 1 OR 7.0.6
cpe:2.3:h:siemens:simatic_mv440_hr:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:simatic_mv440_ur_firmware:*:*:*:*:*:*:*:* 1 OR 7.0.6
cpe:2.3:h:siemens:simatic_mv440_ur:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:simatic_mv420_sr-b_firmware:*:*:*:*:*:*:*:* 1 OR 7.0.6
cpe:2.3:h:siemens:simatic_mv420_sr-b:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:simatic_mv420_sr-p_firmware:*:*:*:*:*:*:*:* 1 OR 7.0.6
cpe:2.3:h:siemens:simatic_mv420_sr-p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:simatic_mv420_sr-b_body_firmware:*:*:*:*:*:*:*:* 1 OR 7.0.6
cpe:2.3:h:siemens:simatic_mv420_sr-b_body:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:simatic_mv420_sr-p_body_firmware:*:*:*:*:*:*:*:* 1 OR 7.0.6
cpe:2.3:h:siemens:simatic_mv420_sr-p_body:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-599268.pdf Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-25241
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25241
History
Created Old Value New Value Data Type Notes
2022-05-10 07:19:25 Added to TrackCVE
2022-12-05 23:45:10 2021-03-15T17:15Z 2021-03-15T17:15:20 CVE Published Date updated
2022-12-05 23:45:10 2021-03-18T20:04:09 CVE Modified Date updated
2022-12-05 23:45:10 Analyzed Vulnerability Status updated