Blue Coat Unified Agent < Certificate Validation MitM

High Nessus Plugin ID 93402


An application installed on the remote host is affected by a man-in-the-middle vulnerability.


The version of Blue Coat Unified Agent installed on the remote Windows host is prior to It is, therefore, affected by a man-in-the-middle (MitM) vulnerability due to improper validation of the Client Manager certificate. A MitM attacker can exploit this, via a specially crafted certificate, to spoof ProxySG Client Managers, allowing the attacker to modify configurations and execute arbitrary software updates.


Upgrade to Blue Coat Unified Agent version or later.

See Also

Plugin Details

Severity: High

ID: 93402

File Name: bluecoat_unified_agent_4_1_3_151952.nasl

Version: $Revision: 1.4 $

Type: local

Agent: windows

Family: Windows

Published: 2016/09/09

Modified: 2016/11/11

Dependencies: 93406

Risk Information

Risk Factor: High


Base Score: 9.3

Temporal Score: 8.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C


Base Score: 8.1

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:X/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:bluecoat:unified_agent

Required KB Items: installed_sw/Blue Coat Systems Unified Agent

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2015/01/23

Vulnerability Publication Date: 2015/01/23

Reference Information

CVE: CVE-2015-1454

BID: 73150

IAVA: 2016-A-0227