Security restrictions bypass in Cisco Email Security Appliance - CVE-2016-6357
Published: October 27, 2016 / Updated: April 5, 2018
Vulnerability identifier: #VU1086
CSH Severity: Low
CVSS v4.0: 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-2016-6357
CWE-ID: CWE-388
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Email Security Appliance
Cisco Email Security Appliance
Detailed vulnerability 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 attachment, a remote attacker can bypass the configured drop filter.
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 attachment, a remote attacker can bypass the configured drop filter.
Successful exploitation of the vulnerability allows a malicious user to gain access to the vulnerable system.
How to mitigate CVE-2016-6357
Install update from vendor's website.