Path traversal in Cisco Network Services Orchestrator



Published: 2021-03-04
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-1132
CWE-ID CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Cisco Network Services Orchestrator (NSO)
Web applications / Remote management & hosting panels

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Path traversal

EUVDB-ID: #VU51221

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1132

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the API subsystem and in the web-management interface. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cisco Network Services Orchestrator (NSO): 5.3 - 5.4

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nso-path-trvsl-dZRQE8Lc


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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