CVE-2016-20009: windriver vxworks Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
Published 11-03-2021Last modified 06-08-2024
Vulnerability summary
CVE-2016-20009 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in windriver vxworks. EPSS estimates a 1.86% chance of exploitation in the next 30 days, higher than 78.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.86%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 11-03-2021PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
A DNS client stack-based buffer overflow in ipdnsc_decode_name() affects Wind River VxWorks 6.5 through 7. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.86%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
0.00 pp
From 1.86% on 20-09-2026
20-09-202620-10-2026
EPSS score1.86%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (blog.exodusintel.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Windriver1 product
- vxworks≥ 6.5, ≤ 7.0
1 vendor · 1 product
References
2 links- blog.exodusintel.com/2016/08/09/vxworks-execute-my-packets/X Refsource MISCExploitThird Party Advisory