Detections
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Fortinet FortiOS Sensitive Information Disclosure (FG-IR-21-231)

medium Nessus Plugin ID 161606

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Synopsis

The remote host is affected by a sensitive information vulnerability.

Description

A server-generated error message containing sensitive information in Fortinet FortiOS versions prior to 6.0, 6.2 to 6.2.10, 6.4 to 6.4.9 and 7.0 to 7.0.3 allows malicious webservers to retrieve a web proxy's client username and IP via same origin HTTP requests triggering proxy-generated HTTP status codes pages.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

See vendor advisory.

See Also

https://www.fortiguard.com/psirt/FG-IR-21-231

Plugin Details

Severity: Medium

ID: 161606

File Name: fortios_FG-IR-21-231.nasl

Version: 1.4

Type: local

Family: Firewalls

Published: 5/27/2022

Updated: 5/24/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2021-43206

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

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

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

Vulnerability Information

CPE: cpe:/o:fortinet:fortios

Required KB Items: Host/Fortigate/version

Exploit Ease: No known exploits are available

Patch Publication Date: 5/3/2022

Vulnerability Publication Date: 5/3/2022

Reference Information

CVE: CVE-2021-43206

IAVA: 2022-A-0221-S