VDB
ICSA-21-222-02
ICSA-21-222-02
PUBLISHED
CVSS 5.900000095367432 MEDIUM
A vulnerability was identified in the Automation License Manager software that could be triggered by sending specially crafted packets to port 4410/tcp of an affected system. This could cause a denial-of-service preventing legitimate users from using the system. Siemens has released an update for the Automation License Manager 6 and recommends to update to the latest version. Siemens recommends specific countermeasures for products where updates are not, or not yet available.
Risk Scores
CVSS v3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Automation License Manager 6 | ||
| Automation License Manager 5 |
Timeline
- Aug 10, 2021 CVE Published
- May 6, 2025 CVE Updated
References
- https://cert-portal.siemens.com/productcert/csaf/ssa-158827.json advisory
- https://cert-portal.siemens.com/productcert/txt/ssa-158827.txt advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-158827.pdf advisory
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-222-02.json advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-222-02 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