CVE-2021-36190

MEDIUMCVSS 6.3/10EPSS 0.81%

Last modified

CVE-2021-36190 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows an unauthenticated attacker to access protected hosts via crafted HTTP requests.. EPSS estimates a 0.81% chance of exploitation in the next 30 days.

Description

A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows an unauthenticated attacker to access protected hosts via crafted HTTP requests.

Metrics

CVSS 3.1
6.3/10

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

EPSS Probability
0.81%

52.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
FortinetFortiweb>= 6.0.0, <= 6.0.7
FortinetFortiweb>= 6.2.0, <= 6.2.6
FortinetFortiweb>= 6.3.0, <= 6.3.15
FortinetFortiweb6.1.0
FortinetFortiweb6.1.1
FortinetFortiweb6.1.2
FortinetFortiweb6.4.0
FortinetFortiweb6.4.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-36190?
A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows an unauthenticated attacker to access protected hosts via crafted HTTP requests.
How severe is CVE-2021-36190?
CVE-2021-36190 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.
How do I fix CVE-2021-36190?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36190?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST