CVE-2021-26092 — MEDIUM (4.7)

Q: How severe is CVE-2021-26092?

CVE-2021-26092 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-26092?

Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortiproxy, Fortinet Fortios.

Vulnerability 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.

CVSS Score

4.7

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Fortinet	Fortiproxy	>= 1.2.0, <= 1.2.9
Fortinet	Fortios	>= 5.2.10, <= 5.2.15

Related Weaknesses (CWE)

CWE-79

References

https://fortiguard.com/psirt/FG-IR-20-199Vendor Advisory
https://fortiguard.com/psirt/FG-IR-20-199Vendor Advisory

FAQ

What is CVE-2021-26092?

CVE-2021-26092 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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 Fo...

How severe is CVE-2021-26092?

CVE-2021-26092 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26092?

Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortiproxy, Fortinet Fortios.