CVE Tools
Sign in

CVE-2019-12255

Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4). This is a IPNET security vulnerability: TCP Urgent Pointer = 0 that leads to an integer underflow.

Published: Aug 9, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-120
9.8CRITICAL
NVD MITRE
EPSS Score
75.3%
Top 0.6%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

Description

Successful exploitation of these vulnerabilities could allow remote code execution.

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-120

Affected Products

Hirschmann HiOSBelden Inc.Networking Infrastructure
GarrettCom DXBelden Inc.Networking Infrastructure
RUGGEDCOM WIN70xxb Base StationSiemens AGICS / OT / IoT
SIPROTEC 5 CPU CP100Red Lion Controls, Inc.
Embedded
ICS / OT / IoT / plc-scada-hmi
SIPROTEC 5 CPU CP300Red Lion Controls, Inc.
Embedded
ICS / OT / IoT / plc-scada-hmi
belden inc.commercialUSNetworking Infrastructureaka belden
siemens agcommercialDEEnterprise Softwareaka siemens
red lion controls, inc.commercialUSICS / OT / IoTaka siprotec 5 cpu cp100, siprotec 5 cpu cp300, siprotec 5 cpu cp200
and 16 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
No detection template yetWe 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 to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.belden.com/hubfs/support/security/bulletins/Belden_Security_Bulletin_BSECV-2019-05_1v3.pdf?hsLang=en
belden.com
http://packetstormsecurity.com/files/154022/VxWorks-6.8-Integer-Underflow.html
packetstormsecurity.com
https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf
cert-portal.siemens.com
and 45 more references View all →

Timeline

Published
Aug 9, 2019
Last Updated
Nov 21, 2024

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2019-12255 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