VDB
ICSA-21-040-05
ICSA-21-040-05
PUBLISHED
CVSS 7.800000190734863 HIGH
The latest update for TIA Administrator, installed together with TIA Portal and PCS neo, fixes a privilege escalation vulnerability that could allow local users to escalate privileges and execute code as local SYSTEM user. Siemens has released updates for the affected products and recommends to update to the latest versions.
Risk Scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| TIA Portal | ||
| PCS neo (Administration Console) |
Exploit Intelligence
- https://cert-portal.siemens.com/productcert/csaf/ssa-428051.json (circl)
- https://cert-portal.siemens.com/productcert/txt/ssa-428051.txt (circl)
- https://cert-portal.siemens.com/productcert/pdf/ssa-428051.pdf (circl)
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-040-05.json (circl)
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-040-05 (circl)
- https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01 (circl)
- https://www.cisa.gov/resources-tools/resources/ics-recommended-practices (circl)
- https://www.cisa.gov/topics/industrial-control-systems (circl)
- https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf (circl)
- https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf (circl)
…and 2 more exploits
Timeline
- Feb 9, 2021 CVE Published
- May 6, 2025 CVE Updated
References
- https://cert-portal.siemens.com/productcert/csaf/ssa-428051.json advisory
- https://cert-portal.siemens.com/productcert/txt/ssa-428051.txt advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-428051.pdf advisory
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-040-05.json advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-040-05 advisory
- https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01 url
- https://www.cisa.gov/resources-tools/resources/ics-recommended-practices url
- https://www.cisa.gov/topics/industrial-control-systems url
- https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf url
- https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf url
- https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B url
- https://support.industry.siemens.com/cs/ww/en/view/114358/ fix