Vulnerability Description
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).
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Nx-Os | < 7.0\(3\)i4\(9\) |
| Cisco | Nexus 3000 | - |
| Cisco | Nexus 3500 | - |
| Cisco | Nexus 3600 | - |
| Cisco | Nexus 9000 | - |
| Cisco | Nexus 9500 | - |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/107340Third Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2PatchVendor Advisory
- http://www.securityfocus.com/bid/107340Third Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2PatchVendor Advisory
FAQ
What is CVE-2019-1596?
CVE-2019-1596 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 va...
How severe is CVE-2019-1596?
CVE-2019-1596 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-1596?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Nx-Os, Cisco Nexus 3000, Cisco Nexus 3500, Cisco Nexus 3600, Cisco Nexus 9000.