CVE-2021-29997: windriver vxworks Out-of-bounds Read
CVSS: 5.3v3.1MediumModified
Published 13-04-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-29997 is a medium (CVSS 5.3) Out-of-bounds Read vulnerability in windriver vxworks. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.1% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (NVD)EPSS score
1.03%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.03%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
0.00 pp
From 1.03% on 19-09-2026
19-09-202619-10-2026
EPSS score1.03%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Windriver1 product
- vxworks≥ 7.0, < 21.03
1 vendor · 1 product
References
2 links- support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-29997X Refsource CONFIRMVendor Advisory