CVE-2016-20009
CRITICALCVSS 9.8/10EPSS 1.89%
Last modified
CVE-2016-20009 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.89% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Windriver | Vxworks | >= 6.5, <= 7.0 |
| Siemens | Sgt-100 Firmware | All versions |
| Siemens | Sgt-200 Firmware | All versions |
| Siemens | Sgt-300 Firmware | All versions |
| Siemens | Sgt-400 Firmware | All versions |
| Siemens | Sgt-A20 Firmware | All versions |
| Siemens | Sgt-A35 Firmware | All versions |
| Siemens | Sgt-A65 Firmware | All versions |
References
- https://blog.exodusintel.com/2016/08/09/vxworks-execute-my-packets/Exploit, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-553445.pdfThird Party Advisory
- https://blog.exodusintel.com/2016/08/09/vxworks-execute-my-packets/Exploit, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-553445.pdfThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-20009?
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
How severe is CVE-2016-20009?
CVE-2016-20009 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.89% probability of exploitation in the next 30 days.
How do I fix CVE-2016-20009?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2016
- CVE-2016-20003The REST/JSON project 7.x-1.x for Drupal allows user enumera…7.5
- CVE-2016-20004The REST/JSON project 7.x-1.x for Drupal allows field access…9.8
- CVE-2016-20005The REST/JSON project 7.x-1.x for Drupal allows user registr…9.8
- CVE-2016-20006The REST/JSON project 7.x-1.x for Drupal allows blockage of …7.5
- CVE-2016-20007The REST/JSON project 7.x-1.x for Drupal allows session name…7.5
- CVE-2016-20008The REST/JSON project 7.x-1.x for Drupal allows session enum…7.5
- CVE-2016-2001HPE Universal CMDB Foundation 10.0, 10.01, 10.10, 10.11, and…
- CVE-2016-20010EWWW Image Optimizer before 2.8.5 allows remote command exec…10
- CVE-2016-20011libgrss through 0.7.0 fails to perform TLS certificate verif…7.5
- CVE-2016-20012OpenSSH through 8.7 allows remote attackers, who have a susp…5.3
- CVE-2016-20013sha256crypt and sha512crypt through 0.6 allow attackers to c…7.5
- CVE-2016-20014In pam_tacplus.c in pam_tacplus before 1.4.1, pam_sm_acct_mg…9.8
Are you affected by CVE-2016-20009?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST