Symantec ProxySG 6.5 < / 6.6 < XSS and Information Disclosure Vulnerabilities (SA1472)

Medium Nessus Plugin ID 128329


The remote device is affected by multiple vulnerabilities.


The self-reported SGOS version installed on the remote Symantec ProxySG device is 6.5.x prior to or 6.6.x prior to It is, therefore, affected by the following vulnerabilities:

- A cross-site scripting (XSS) vulnerability in ProxySG FTP proxy WebFTP mode.
An authenticated, remote attacker can exploit this, by injecting malicious JavaScript code in ProxySG's web listing of a remote FTP server. (CVE-2018-18370)

- An information disclosure vulnerability exists in ProxySG FTP proxy WebFTP mode.
An authenticated, remote attacker can exploit this, via intercepting FTP connections where a user accesses an FTP server, to obtain plaintext authentication credentials. (CVE-2018-18371)


Upgrade to Symantec ProxySG SGOS version, or later.

See Also

Plugin Details

Severity: Medium

ID: 128329

File Name: symantec_proxy_sg_sa1472.nasl

Version: 1.3

Type: local

Family: Firewalls

Published: 2019/08/30

Updated: 2020/01/07

Dependencies: 68992

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2018-18370

CVSS v2.0

Base Score: 4.3

Temporal Score: 3.2

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

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

CVSS v3.0

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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

Vulnerability Information

CPE: x-cpe:/h:symantec:proxysg

Required KB Items: Host/BlueCoat/ProxySG/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 2018/12/19

Vulnerability Publication Date: 2018/12/19

Reference Information

CVE: CVE-2018-18370, CVE-2018-18371

IAVA: 2019-A-0311