VDB
ICSA-21-012-05
ICSA-21-012-05
PUBLISHED
CVSS 7.5 HIGH
Several SCALANCE X switches contain vulnerabilities in the web server of the affected devices. An unauthenticated attacker could reboot, cause denial-of-service conditions and potentially impact the system by other means through heap and buffer overflow vulnerabilities. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where updates are not, or not yet available.
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:P/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| SCALANCE X-200 switch family (incl. SIPLUS NET variants) | ||
| SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) | ||
| SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) |
Timeline
- Jan 12, 2021 CVE Published
- May 6, 2025 CVE Updated
References
- https://cert-portal.siemens.com/productcert/csaf/ssa-139628.json advisory
- https://cert-portal.siemens.com/productcert/txt/ssa-139628.txt advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-139628.pdf advisory
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-012-05.json advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-012-05 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/109801131/ fix
- https://support.industry.siemens.com/cs/ww/en/view/109792534/ fix
- https://support.industry.siemens.com/cs/ww/en/view/109773547/ fix