CVE-2016-20009

moderate-risk

Published 2021-03-11

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

Do I need to act?

0.42% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (8)

Vxworks

Sgt-100 Firmware

Sgt-200 Firmware

Sgt-300 Firmware

Sgt-400 Firmware

Sgt-A20 Firmware

Sgt-A35 Firmware

Sgt-A65 Firmware

Affected Vendors

Windriver Siemens

References (4)

Exploit https://blog.exodusintel.com/2016/08/09/vxworks-execute-my-packets/

Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-553445.pdf

Exploit https://blog.exodusintel.com/2016/08/09/vxworks-execute-my-packets/

Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-553445.pdf

/ 100

moderate-risk

Severity 32/34 · Critical

Exploitability 2/34 · Minimal

Exposure 14/34 · Moderate