QID 44086

Date Published: 2023-07-14

QID 44086: FortiOS - Cross-Site Scripting (XSS) Vulnerability (FG-IR-20-199)

FortiOS is vulnerable to a stack-based overflow vulnerability.

Affected Versions:
FortiGate FortiOS versions 6.0.12 and below.
FortiGate FortiOS versions 6.2.7 and below.
FortiGate FortiOS versions 6.4.5 and below.
FortiGate FortiOS versions 5.6.14 and below.
FortiGate FortiOS versions 5.4.13 and below.
FortiGate FortiOS versions 5.2.10 to 5.2.15.

QID Detection Logic (Authenticated):
Detection checks for vulnerable version of FortiOS.

Note: Making this QID practice as this QID also contains banner based detection .

Failure to sanitize input in the SSL VPN web portal 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 V3 rated as High - 6.1 severity.

CVSS V2 rated as Medium - 4.3 severity.

Solution

Fortinet has released patch addressing the vulnerability. For more information please refer to FG-IR-20-199

Vendor References

FG-IR-20-199 - www.fortiguard.com/psirt/FG-IR-20-199

CVEs related to QID 44086

CVE-2021-26092 |

Software Advisories

Advisory ID	Software	Component	Link
FG-IR-20-199			www.fortiguard.com/psirt/FG-IR-20-199

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