Security restrictions bypass in Cisco Email Security Appliance and Cisco Web Security Appliance - CVE-2016-1480
Published: October 27, 2016 / Updated: April 5, 2018
Vulnerability identifier: #VU1088
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2016-1480
CWE-ID: CWE-388
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Cisco Email Security Appliance
Cisco Web Security Appliance
Cisco Web Security Appliance
How to mitigate CVE-2016-1480
Update to version 9.1.1-038, 9.7.1-066.