Incorrect Privilege Assignment in Cisco Network Services Orchestrator (NSO) - CVE-2021-1572

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Main Vulnerability Database Vulnerabilities #VU55606

Incorrect Privilege Assignment in Cisco Network Services Orchestrator (NSO) - CVE-2021-1572

Published: August 5, 2021


Vulnerability identifier: #VU55606
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1572
CWE-ID: CWE-266
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the affected software incorrectly runs the SFTP user service at the privilege level of the account that was running when the NSO built-in Secure Shell (SSH) server for CLI was enabled. A local user can gain elevated privileges on the target system.


Affected software

Cisco Network Services Orchestrator (NSO)

How to mitigate CVE-2021-1572

Install updates from vendor's website.

Cisco Network Services Orchestrator (NSO) - addressed in versions 5.4.3.2, 5.5.2.3

External References

Related Security Bulletins