#VU1088 Security restrictions bypass in Cisco Web Security Appliance and Cisco Email Security Appliance - CVE-2016-1480
Published: October 27, 2016 / Updated: April 5, 2018
Vulnerability identifier: #VU1088
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2016-1480
CWE-ID: CWE-388
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco Web Security Appliance
Cisco Email Security Appliance
Cisco Web Security Appliance
Cisco Email Security Appliance
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote unauthenticated user to bypass security restrictions on the target system.
The weakness exists due to improper error handling. By sending an email message with a specially crafted MIME attachment, a remote attacker can bypass the configured user filters.
Successful exploitation of the vulnerability allows a malicious user to gain access to the vulnerable system.
The weakness exists due to improper error handling. By sending an email message with a specially crafted MIME attachment, a remote attacker can bypass the configured user filters.
Successful exploitation of the vulnerability allows a malicious user to gain access to the vulnerable system.
Remediation
Update to version 9.1.1-038, 9.7.1-066.