Improper access control in Cisco IOS XE Software



Published: 2020-10-05
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-3503
CWE-ID CWE-284
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		Cisco IOS XE
Operating systems & Components / Operating system

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper access control

EUVDB-ID: #VU47332

Risk: Low

CVSSv3.1: 5.2 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3503

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to insufficient file system permissions on an affected device. A local administrator can view or modify restricted information or configurations.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco IOS XE: 16.12.1

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-unauth-file-access-eBTWkKVW


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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