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Product
Threat intelligence API
Get started
Live feed
Recipes
Free feeds
CLI & agents
The data
Incident records
Dark web
Validated IOCs
Vulnerabilities
Entity graph
For teams
For service providers
Use cases
About ThreatCluster
Docs
OpenAPI (Swagger)
ReDoc
Examples on GitHub
Quickstart & plans
Integrations
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Cisco Nx-os Zero-day
Vulnerability
Threat entity extracted from intelligence sources
Entities
›
vulnerability
›
Cisco Nx-os Zero-day
Frequency
1
occurrences
First Seen
June 24, 2026
Last Seen
June 24, 2026
API
Overview
Recent Events
Profile
Profile
MITRE ATT&CK
1 / 2
Associated Malware
GS-Netcat
Velvetshell
Tools Used
Fcgiwrap
Nginx
Ssspl
MITRE Techniques
T1003 - OS Credential Dumping
T1021 - Remote Services
T1059 - Command and Scripting Interpreter
T1071 - Application Layer Protocol
Campaigns
Operation Highland
Affected Platforms
Cisco Nexus
Cisco Nx-os
Linux
OpenSSH
Windows
Regions
China
-
REC
Recon
No techniques detected
-
RD
Resource Dev
No techniques detected
-
IA
Initial Access
No techniques detected
1
EX
Execution
T1059 - Command and Scripting Interpreter
-
PE
Persistence
No techniques detected
-
PE
Priv Esc
No techniques detected
-
DE
Defense Evasion
No techniques detected
1
CA
Cred Access
T1003 - OS Credential Dumping
-
DI
Discovery
No techniques detected
1
LM
Lateral Mov
T1021 - Remote Services
-
CO
Collection
No techniques detected
1
C2
C2
T1071 - Application Layer Protocol
-
EX
Exfil
No techniques detected
-
IM
Impact
No techniques detected
4
techniques detected across
4
tactics
Related Clusters (1)
Operation Highland: Velvet Ant's Decade-Long Espionage Campaign
Jun 13
·
9 sources
81
Related Articles (1)
Operation Highland Velvet Ant
www.sygnia.co
·
Jun 24
Related Entities
Malware
Operation Highland
China
CWE-287 - Improper Authentication
CWE-798 - Use of Hard-coded Credentials
GS-Netcat
Velvetshell
T1003 - OS Credential Dumping
T1021 - Remote Services
T1059 - Command and Scripting Interpreter
T1071 - Application Layer Protocol
Cisco Nexus
