CVE-2016-20009 is a critical stack-based buffer overflow vulnerability in the DNS client of Wind River VxWorks versions 6.5 through 7, impacting products from vendors like Siemens. With a CVSS score of 9.8, it allows unauthenticated remote attackers to execute arbitrary code with high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness despite its inactive status on the CISA KEV catalog and being present in unsupported products.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.5, <= 7.0CPE matchmatch criteria | cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:siemens:sgt-100_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:siemens:sgt-200_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:siemens:sgt-300_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:siemens:sgt-400_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.