CVE-2019-1602

Cisco NX-OS Software Privilege Escalation Vulnerability

Description

A vulnerability in the filesystem permissions of Cisco NX-OS Software could allow an authenticated, local attacker to access sensitive data that could be used to elevate their privileges to administrator. The vulnerability is due to improper implementation of filesystem permissions. An attacker could exploit this vulnerability by logging in to the CLI of an affected device, accessing a specific file, and leveraging this information to authenticate to the NX-API server. A successful exploit could allow an attacker to make configuration changes as administrator. Note: NX-API is disabled by default. 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-Standalone 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).

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.24%
Vendor Advisory cisco.com
Affected: Cisco Nexus 3000 Series Switches
Affected: Cisco Nexus 3500 Platform Switches
Affected: Cisco Nexus 3600 Platform Switches
Affected: Cisco Nexus 9000 Series Switches-Standalone
Affected: Cisco Nexus 9500 R-Series Line Cards and Fabric Modules
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-escalation patch vendor advisory
http://www.securityfocus.com/bid/107332 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-1602?
CVE-2019-1602 has been scored as a high severity vulnerability.
How to fix CVE-2019-1602?
To fix CVE-2019-1602, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-1602 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-1602 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-1602?
CVE-2019-1602 affects Cisco Nexus 3000 Series Switches, Cisco Nexus 3500 Platform Switches, Cisco Nexus 3600 Platform Switches, Cisco Nexus 9000 Series Switches-Standalone, Cisco Nexus 9500 R-Series Line Cards and Fabric Modules.
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