Information disclosure in Cisco Unified Communications Products

1) Inclusion of Sensitive Information in Log Files

EUVDB-ID: #VU49596

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1226

CWE-ID: CWE-532 - Information Exposure Through Log Files

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to software stores sensitive information into log files within the audit logging component. A remote authenticated attacker can read the log files and gain access to sensitive data.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Unified Communications Manager (CallManager): 10.5.2 - 12.5.1

Cisco Unified Communications Manager Session Management Edition: 10.5.2 - 12.5.1

Cisco Unified Communications Manager IM & Presence Service: 10.5.2 - 12.5.1

Cisco Unity Connection: 10.5.2 - 12.5.1

Cisco Emergency Responder: 10.5.2 - 12.5.1

Cisco Prime License Manager: 10.5.2 - 11.5.1

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-logging-6QSWKRYz

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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