CVE-2021-31881
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303). When processing a DHCP OFFER message, the DHCP client application does not validate the length of the Vendor option(s), leading to Denial-of-Service conditions. (FSMD-2021-0008)
- Score
- CVSS 3.1 7.5 High
- Status
- Modified - productcert@siemens.com
- Published
- 2021-11-09
- Last modified
- 2025-03-11
- Weaknesses
- CWE-125
Affected products
- Apogee Modular Building Controller Firmware (Siemens)
- Apogee Modular Equiment Controller Firmware (Siemens)
- Apogee Pxc Compact Firmware (Siemens)
- Apogee Pxc Modular Firmware (Siemens)
- Capital Embedded Ar Classic 431-422 (Siemens)
- Capital Embedded Ar Classic R20-11 (Siemens)
- Capital Vstar (Siemens)
- Nucleus Net (Siemens)
- Nucleus Readystart V3 (Siemens)
- Nucleus Source Code (Siemens)
- Talon Tc Compact Firmware (Siemens)
- Talon Tc Modular Firmware (Siemens)
References
- https://cert-portal.siemens.com/productcert/html/ssa-044112.html
- https://cert-portal.siemens.com/productcert/html/ssa-114589.html
- https://cert-portal.siemens.com/productcert/html/ssa-620288.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf
