CVE-2021-31883
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 1.5%
exploitation probability
1.5%top 26% of all CVEs
observed exploitation
nono source reports it
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 ACK message, the DHCP client application does not validate the length of the Vendor option(s), leading to Denial-of-Service conditions. (FSMD-2021-0013)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Affected products
Siemens · Capital Embedded AR Classic 431-422Siemens · Capital Embedded AR Classic R20-11References
https://cert-portal.siemens.com/productcert/html/ssa-044112.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-114589.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-620288.htmlhttps://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdfhttps://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdfhttps://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf