Security restrictions bypass in Cisco Email Security Appliance



| Updated: 2018-04-05
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-6406
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Cisco Email Security Appliance
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Security restrictions bypass

EUVDB-ID: #VU644

Risk: Low

CVSSv4.0: 2.7 [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-2016-6406

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote user to obtain the target system with root privileges.
The weakness exists due to improper access control. By accessing internal testing and debugging interface attacker can get access to the vulnerable system.
Successful exploitation of the vulnerability will allow a malicious user to gain access to the vulnerable system with root privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cisco Email Security Appliance: 9.1.2 023 - 10.0.0 125

CPE2.3 External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160922-esa


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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.



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