CVE-2019-1596

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).

Affected Software

VendorProductVersion RangeStatus
CiscoNexus 3000 Series Switchesunspecified < 7.0(3)I7(4)affected
CiscoNexus 3500 Platform Switchesunspecified < 7.0(3)I7(4)affected
CiscoNexus 3600 Platform Switchesunspecified < 7.0(3)F3(5)affected
CiscoNexus 9000 Series Switches in Standalone NX-OS Modeunspecified < 7.0(3)I7(4)affected
CiscoNexus 9500 R-Series Line Cards and Fabric Modulesunspecified < 7.0(3)F3(5)affected

Weaknesses

  • CWE-264: CWE-264

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References