Vulnerability identifier: #VU50302

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1128

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco IOS XR
Operating systems & Components / Operating system

Vendor:

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists in the CLI parser of Cisco IOS XR Software due to insufficient application of restrictions during the execution of a specific command. A local user can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-infodisc-4mtm9Gyt
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvt41022

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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.