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CVE-2021-26092

4.7 · MEDIUM
Published Feb 24, 2022 fortinet CWE-79 EPSS 1.08% (62th pctl)

Overview

CVE-2021-26092 is a medium-severity vulnerability affecting fortinet fortiproxy. It was published on February 24, 2022 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

Failure to sanitize input in the SSL VPN web portal of FortiOS 5.2.10 through 5.2.15, 5.4.0 through 5.4.13, 5.6.0 through 5.6.14, 6.0.0 through 6.0.12, 6.2.0 through 6.2.7, 6.4.0 through 6.4.4; and FortiProxy 1.2.0 through 1.2.9, 2.0.0 through 2.0.1 may allow a remote unauthenticated attacker to perform a reflected Cross-site Scripting (XSS) attack by sending a request to the error page with malicious GET parameters.

Remediation

Check the references section for vendor advisories and patches from fortinet. Update fortiproxy 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

Vendor Product Versions Status
fortinet fortiproxy 1.2.0 Affected
fortinet fortios 5.2.10 Affected

Frequently Asked Questions

What is CVE-2021-26092?

CVE-2021-26092 is a medium-severity vulnerability affecting fortinet fortiproxy. It was published on February 24, 2022 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2021-26092?

This vulnerability has a CVSS 3.1 base score of 4.7, 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-2021-26092?

Check the references section for vendor advisories and patches from fortinet. Update fortiproxy 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-2021-26092?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-26092 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.