CVE-2021-29999

CRITICAL
Published Apr 13, 20215y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Apr 13, 2021 5y ago
Last Modified Jun 17, 2026 2w ago

Description

An issue was discovered in Wind River VxWorks through 6.8. There is a possible stack overflow in dhcp server.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 1

VendorProductVersionRange
windrivervxworks* ≤6.8

References 1

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.