CVE-2020-25242

CVSS V2 High 7.8 CVSS V3 High 7.5
Description
A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions). Specially crafted packets sent to TCP port 102 could cause a Denial-of-Service condition on the affected devices. A cold restart might be necessary in order to recover.
Overview
  • CVE ID
  • CVE-2020-25242
  • Assigner
  • productcert@siemens.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-12T14:15:10
  • Last Modified Date
  • 2021-12-03T19:52:22
Weakness Enumerations
CWE URL
CWE-400 http://cwe.mitre.org/data/definitions/400.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:siemens:simatic_net_cp_343-1_advanced_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:siemens:simatic_net_cp_343-1_advanced:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:simatic_net_cp_343-1_lean_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:siemens:simatic_net_cp_343-1_lean:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:simatic_net_cp_343-1_standard_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:siemens:simatic_net_cp_343-1_standard:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
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-676775.pdf Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-07 Third Party Advisory US Government Resource
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-25242
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25242
History
Created Old Value New Value Data Type Notes
2022-05-10 06:43:07 Added to TrackCVE
2022-12-05 02:08:28 2021-05-12T14:15Z 2021-05-12T14:15:10 CVE Published Date updated
2022-12-05 02:08:28 2021-12-03T19:52:22 CVE Modified Date updated
2022-12-05 02:08:28 Analyzed Vulnerability Status updated