VDB
ICSA-21-257-16
ICSA-21-257-16
PUBLISHED
CVSS 7.5 HIGH
The latest update for SIPROTEC 5 family devices fixes a vulnerability in the web interface which could allow unauthorized users to cause a Denial-of-Service situation by sending maliciously crafted web requests. Siemens has released an update for the SIPROTEC 5 and recommends to update to the latest version.
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:F/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| SIPROTEC 5 relays with CPU variants CP050 | ||
| SIPROTEC 5 relays with CPU variants CP100 | ||
| SIPROTEC 5 relays with CPU variants CP300 |
Timeline
- Sep 14, 2021 CVE Published
- May 6, 2025 CVE Updated
References
- https://cert-portal.siemens.com/productcert/csaf/ssa-500748.json advisory
- https://cert-portal.siemens.com/productcert/txt/ssa-500748.txt advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-500748.pdf advisory
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-257-16.json advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-257-16 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/109740816/ fix