CVE Tools
Sign in

CVE-2016-20009

Published: Mar 11, 2021Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-787
9.8CRITICAL
NVD MITRE
EPSS Score
1.9%
Top 23.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

siemens
commercial·DEaka siemens ag
sgt-100 firmware
ICS / OT / IoT
sgt-200 firmware
ICS / OT / IoT
sgt-300 firmware
ICS / OT / IoT
sgt-400 firmware
ICS / OT / IoT
sgt-a20 firmware
ICS / OT / IoT
sgt-a35 firmware
ICS / OT / IoT
sgt-a65 firmware
ICS / OT / IoT
windriver
commercialaka bsd os, linux, bdos, vxworks
vxworksEmbedded
Operating Systems / rtos-embedded-os
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2016-20009?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://blog.exodusintel.com/2016/08/09/vxworks-execute-my-packets/
blog.exodusintel.com
https://cert-portal.siemens.com/productcert/pdf/ssa-553445.pdf
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/csaf/ssa-553445.json
cert-portal.siemens.com
and 10 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2016-20009 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows