Vulnerability identifier: #VU50932

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1396

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Application Services Engine
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions for certain API endpoint running in the Data Network. A remote non-authenticated attacker can gain unauthorized access to the system.

Successful exploitation of the vulnerability may allow the attacker to learn device-specific information, create tech support files in an isolated volume, and make limited configuration changes.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco Application Services Engine: 1.1.3 - 1.1.3d

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-case-mvuln-dYrDPC6w
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw55819

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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