Vulnerability identifier: #VU52905

Vulnerability risk: Low

CVSSv3.1: 3.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1438

CWE-ID: N/A

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco Wide Area Application Services
Server applications / Other server solutions

Vendor: Cisco Systems, Inc

Description

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

The vulnerability exists due to improper input validation and authorization of specific commands that a user can execute within the CLI.A local authenticated user can execute a specific set of commands and gain read arbitrary files on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco Wide Area Application Services: 6.4.1 - 6.4.5a 28

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-waas-infdisc-Twb4EypK
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw97364

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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.