Vulnerability Details : CVE-2020-25238
A vulnerability has been identified in PCS neo (Administration Console) (All versions < V3.1), TIA Portal (V15, V15.1 and V16). Manipulating certain files in specific folders could allow a local attacker to execute code with SYSTEM privileges. The security vulnerability could be exploited by an attacker with a valid account and limited access rights on the system.
Vulnerability category: Execute codeBypassGain privilege
Products affected by CVE-2020-25238
- cpe:2.3:a:siemens:totally_integrated_automation_portal:16:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:totally_integrated_automation_portal:15:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:totally_integrated_automation_portal:15.1:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_process_control_system_neo:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-25238
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-25238
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2020-25238
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: productcert@siemens.com (Secondary)
-
The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-25238
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-05
Siemens TIA Administrator | CISAThird Party Advisory;US Government Resource;VDB Entry
-
https://www.kb.cert.org/vuls/id/466044
VU#466044 - Siemens Totally Integrated Automation Portal vulnerable to privilege escalation due to Node.js pathsThird Party Advisory;US Government Resource
-
https://cert-portal.siemens.com/productcert/pdf/ssa-428051.pdf
Vendor Advisory
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