CVE-2018-13383

Known Exploited

Description

A heap buffer overflow in Fortinet FortiOS 6.0.0 through 6.0.4, 5.6.0 through 5.6.10, 5.4.0 through 5.4.12, 5.2.14 and earlier and FortiProxy 2.0.0, 1.2.8 and earlier in the SSL VPN web portal may cause the SSL VPN web service termination for logged in users due to a failure to properly handle javascript href data when proxying webpages.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.12% Top 25%
KEV Since 
Vendor Advisory fortiguard.com Vendor Advisory fortiguard.com
Affected: Fortinet Fortinet FortiOS and FortiProxy
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/advisory/FG-IR-18-388 mitigation vendor advisory
https://fortiguard.com/advisory/FG-IR-20-229 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-13383?
CVE-2018-13383 has been scored as a medium severity vulnerability.
How to fix CVE-2018-13383?
To fix CVE-2018-13383, 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-2018-13383 being actively exploited in the wild?
It is confirmed that CVE-2018-13383 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-13383?
CVE-2018-13383 affects Fortinet Fortinet FortiOS and FortiProxy.
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