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CVE-2013-4669

5.4 · MEDIUM

FortiClient before 4.3.5.472 on Windows, before 4.0.3.134 on Mac OS X, and before 4.0 on Android; FortiClient Lite before 4.3.4.461 on Windows; FortiClient Lite 2.0 through 2.0.0223 on Android; and…

Published Jun 25, 2013fortinetCWE-255EPSS 0.87%

Overview

CVE-2013-4669 is a medium-severity vulnerability affecting fortinet forticlient. It was published on June 25, 2013 and has a CVSS 2.0 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

FortiClient before 4.3.5.472 on Windows, before 4.0.3.134 on Mac OS X, and before 4.0 on Android; FortiClient Lite before 4.3.4.461 on Windows; FortiClient Lite 2.0 through 2.0.0223 on Android; and FortiClient SSL VPN before 4.0.2258 on Linux proceed with an SSL session after determining that the server's X.509 certificate is invalid, which allows man-in-the-middle attackers to obtain sensitive information by leveraging a password transmission that occurs before the user warning about the certificate problem.

Remediation

Check the references section for vendor advisories and patches from fortinet. Update forticlient to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
fortinetforticlient0Affected
fortinetforticlient_lite0Affected
fortinetforticlient_ssl_vpn0Affected

References

Refarchives.neohapsis.com/archives/fulldisclosure/2013-05/0001.htmlRefobjectif-securite.ch/forticlient_bulletin.phpRefwww.fortiguard.com/advisory/Potential-Man-In-The-Middle-Vulnerability-in-FortiClient-VPN/Refwww.securityfocus.com/bid/59604Refarchives.neohapsis.com/archives/fulldisclosure/2013-05/0001.htmlRefobjectif-securite.ch/forticlient_bulletin.phpRefwww.fortiguard.com/advisory/Potential-Man-In-The-Middle-Vulnerability-in-FortiClient-VPN/Refwww.securityfocus.com/bid/59604

How CyberStrike helps

Frequently asked questions

What is CVE-2013-4669?

CVE-2013-4669 is a medium-severity vulnerability affecting fortinet forticlient. It was published on June 25, 2013 and has a CVSS 2.0 base score of 5.4 (MEDIUM).

How severe is CVE-2013-4669?

This vulnerability has a CVSS 2.0 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-4669?

Check the references section for vendor advisories and patches from fortinet. Update forticlient to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-4669?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-4669 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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