CVE-2021-27396

CVSS V2 Medium 6.8 CVSS V3 High 7.8
Description
A vulnerability has been identified in Tecnomatix Plant Simulation (All versions < V16.0.5). The PlantSimCore.dll library lacks proper validation of user-supplied data when parsing SPP files. This could result in a stack based buffer overflow, a different vulnerability than CVE-2021-27398. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13279)
Overview
  • CVE ID
  • CVE-2021-27396
  • Assigner
  • productcert@siemens.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-12T14:15:11
  • Last Modified Date
  • 2021-05-19T20:30:00
Weakness Enumerations
CWE URL
CWE-121 http://cwe.mitre.org/data/definitions/121.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:siemens:tecnomatix_plant_simulation:*:*:*:*:*:*:*:* 1 OR 16.0.5
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-983548.pdf Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-568/ Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-27396
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27396
History
Created Old Value New Value Data Type Notes
2022-05-10 16:15:32 Added to TrackCVE
2022-12-05 02:09:25 2021-05-12T14:15Z 2021-05-12T14:15:11 CVE Published Date updated
2022-12-05 02:09:25 2021-05-19T20:30:00 CVE Modified Date updated
2022-12-05 02:09:25 Analyzed Vulnerability Status updated