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01 Record

CVE-2021-29999

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

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.78% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 77.9% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-04-13 16:26Z5 YR AGO
Last updated
2024-08-03 22:24Z2 YR AGO
Reserved
2021-04-02
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
bed99e3b9cd0c0c181e7ac64206ac9b399cb7fd3e204cf6de4494fb3d1551b1c

05 Affected products

VendorProductVersionsPlatforms
windrivervxworksNot specified—

06 References