Path traversal in Cisco Enterprise NFV Infrastructure Software



Published: 2020-06-23
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-3236
CWE-ID CWE-22
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Enterprise NFV Infrastructure Software
Server applications / Virtualization software

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Path traversal

EUVDB-ID: #VU29214

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3236

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

Exploit availability: No

Description

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the CLI command arguments. A local user can send a specially crafted HTTP request, gain root shell access to the underlying operating system and overwrite or read arbitrary files on an affected device.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Enterprise NFV Infrastructure Software: 3.12.2

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nfvis-ptrav-SHMzzwVR


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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