Information disclosure in Cisco Content Security Management Appliance, Email Security Appliance, and Web Security Appliance

1) Information disclosure

EUVDB-ID: #VU52965

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-1516

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

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

The vulnerability exists due to confidential information is included in HTTP requests that are exchanged between the user and the device. A remote authenticated attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco AsyncOS for Cisco Content Security Management Appliance: before 14.0

Cisco Email Security Appliance: before 14.0

Cisco Web Security Appliance: before 14.0

CPE2.3

• cpe:2.3:a:cisco_systems:cisco_asyncos_for_cisco_content_security_management_appliance:*:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_email_security_appliance:*:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_web_security_appliance:*:*:*:*:*:*:*:*

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-wsa-sma-info-gY2AEz2H

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.