PT-2021-8246 · Wind River · Vxworks

Published 2021-04-13 · Updated 2021-04-16 · CVE-2021-29999

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Wind River VxWorks versions through 6.8

Description The issue is related to a possible stack overflow in the DHCP server of the Wind River VxWorks real-time operating system. It is also described as a buffer overflow vulnerability in the DHCP server, which can be exploited by a remote attacker to impact the confidentiality, integrity, and availability of protected information.

Recommendations For versions through 6.8, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

BDU:2025-00519

CVE-2021-29999

Affected Products

Vxworks

References · 6

• https://osv.dev/vulnerability/CVE-2021-29999 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-29999 · Security Note
• https://support2.windriver.com/index.php?page=security-notices · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-00519 · Security Note
• https://github.com/advisories/GHSA-pjw5-hf2q-wg7j · Note
• https://vuldb.com/?id.172843 · Note