Information disclosure in Cisco Wide Area Application Services (WAAS)

1) Exposure of Resource to Wrong Sphere

EUVDB-ID: #VU52905

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

Exploit availability: No

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

External links

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

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.