Skip to main content
← All vulnerabilities
CVE-2019-1596

Cisco NX-OS Software Bash Shell Privilege Escalation Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 7.0(3)I7(4), 7.0(3)F3(5)
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

A vulnerability in the Bash shell implementation for Cisco NX-OS Software could allow an authenticated, local attacker to escalate their privilege level to root. The attacker must authenticate with valid user credentials. The vulnerability is due to incorrect permissions of a system executable. An attacker could exploit this vulnerability by authenticating to the device and entering a crafted command at the Bash prompt. A successful exploit could allow the attacker to escalate their privilege level to root. Nexus 3000 Series Switches are affected in versions prior to 7.0(3)I7(4). Nexus 3500 Platform Switches are affected in versions prior to 7.0(3)I7(4). Nexus 3600 Platform Switches are affected in versions prior to 7.0(3)F3(5). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected in versions prior to 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected in versions prior to 7.0(3)F3(5).

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Cisco Nexus 3000 Series Switches

    fixed in 7.0(3)I7(4)

  • Cisco Nexus 3500 Platform Switches

    fixed in 7.0(3)I7(4)

  • Cisco Nexus 3600 Platform Switches

    fixed in 7.0(3)F3(5)

  • Cisco Nexus 9000 Series Switches in Standalone NX-OS Mode

    fixed in 7.0(3)I7(4)

  • Cisco Nexus 9500 R-Series Line Cards and Fabric Modules

    fixed in 7.0(3)F3(5)

References 2

tools.cisco.com

securityfocus.com