CVE-2021-31882

CVSS 6.5 MEDIUMEPSS 1.5%CWE-119

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.5EPSS 1.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

09 Nov 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303). The DHCP client application does not validate the length of the Domain Name Server IP option(s) (0x06) when processing DHCP ACK packets. This may lead to Denial-of-Service conditions. (FSMD-2021-0011)

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Siemens · Capital Embedded AR Classic 431-422 Siemens · Capital Embedded AR Classic R20-11

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

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