What’s Vulnerable › Vulnerabilities

CVE-2021-29997

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-13 · updated 2026-06-17
• Weakness: CWE-125

Description

An issue was discovered in Wind River VxWorks 7 before 21.03. A specially crafted packet may lead to buffer over-read on IKE.

Affected products

• Windriver Vxworks: from 7.0 before 21.03 — fixed in 21.03

How to fix

Upgrade to a fixed version: Windriver Vxworks 21.03. Check the vendor advisory for mitigations.

References

• https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-29997
• https://support2.windriver.com/index.php?page=security-notices
• https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-29997
• https://support2.windriver.com/index.php?page=security-notices

Get alerted when CVE-2021-29997 or the next vulnerability affects your stack