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High Threat

CVE-2021-31884

CWE-170: IMPROPER NULL TERMINATION
The DHCP client application assumes the data supplied with the "hostname" DHCP option NULL is terminated. In cases when a global hostname variable is not defined, this may lead to out-of-bound reads, out-of-bounds writes, and denial-of-service conditions.

Risk Information

CVE ID

CVE-2021-31884

Vendor

Siemens

Product

Nucleus

CVSS v3

8.8

Advisories


Disclosure Policy

Team82 is committed to privately reporting vulnerabilities to affected vendors in a coordinated, timely manner in order to ensure the safety of the cybersecurity ecosystem worldwide. To engage with the vendor and research community, Team82 invites you to download and share our Coordinated Disclosure Policy. Team82 will adhere to this reporting and disclosure process when we discover vulnerabilities in products and services.

Public Email & PGP Key

Team82 has also made its public PGP Key available for the vendor and research community to securely and safely exchange vulnerability and research information with us.

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