CVE-2021-26103

Description

An insufficient verification of data authenticity vulnerability (CWE-345) in the user interface of FortiProxy verison 2.0.3 and below, 1.2.11 and below and FortiGate verison 7.0.0, 6.4.6 and below, 6.2.9 and below of SSL VPN portal may allow a remote, unauthenticated attacker to conduct a cross-site request forgery (CSRF) attack . Only SSL VPN in web mode or full mode are impacted by this vulnerability.

Category

6.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Vendor Advisory fortiguard.com
Affected: Fortinet Fortinet FortiOS
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/advisory/FG-IR-20-158 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-26103?
CVE-2021-26103 has been scored as a medium severity vulnerability.
How to fix CVE-2021-26103?
To fix CVE-2021-26103, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-26103 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-26103 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-26103?
CVE-2021-26103 affects Fortinet Fortinet FortiOS.
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