NVD

CVE-2021-43206 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

A server-generated error message containing sensitive information in Fortinet FortiOS 7.0.0 through 7.0.3, 6.4.0 through 6.4.8, 6.2.x, 6.0.x and FortiProxy 7.0.0 through 7.0.1, 2.0.x 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.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

CNA: Fortinet, Inc.

Base Score: 4.3 MEDIUM

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 4.3 MEDIUM

Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://fortiguard.com/psirt/FG-IR-21-231	Vendor Advisory
https://fortiguard.com/psirt/FG-IR-21-231	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-209	Generation of Error Message Containing Sensitive Information	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Initial Analysis by NIST 5/12/2022 10:49:11 PM

Action	Type	Old Value	New Value
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Added	CVSS V2		NIST (AV:N/AC:M/Au:N/C:P/I:N/A:N)
Added	CWE		NIST CWE-209
Added	CPE Configuration		Record truncated, showing 500 of 640 characters. View Entire Change Record OR cpe:2.3:a:fortinet:fortiproxy::::::::* versions from (including) 2.0.0 up to (excluding) 2.0.9 cpe:2.3:a:fortinet:fortiproxy::::::::* versions from (including) 7.0.0 up to (excluding) 7.0.2 cpe:2.3:o:fortinet:fortios::::::::* versions from (including) 5.6.0 up to (excluding) 6.0.14 cpe:2.3:o:fortinet:fortios::::::::* versions from (including) 6.2.0 up to (excluding) 6.2.10 cpe:2.3:o:fortinet:fortios::::::::* versions from (inclu
Changed	Reference Type	https://fortiguard.com/psirt/FG-IR-21-231 No Types Assigned	https://fortiguard.com/psirt/FG-IR-21-231 Vendor Advisory
Added	CVSS V2 Metadata		Victim must voluntarily interact with attack mechanism

Quick Info

CVE Dictionary Entry:
CVE-2021-43206
NVD Published Date:
05/04/2022
NVD Last Modified:
11/21/2024
Source:
Fortinet, Inc.

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Information Technology Laboratory

National Vulnerability Database