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CVE-2021-36177

MEDIUMCVSS 4.3/10EPSS 0.30%

Last modified

CVE-2021-36177 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. An improper access control vulnerability [CWE-284] in FortiAuthenticator HA service 6.3.2 and below, 6.2.x, 6.1.x, 6.0.x may allow an attacker on the same vlan as the HA management interface to make an unauthenticated direct connection to the FAC's database.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

An improper access control vulnerability [CWE-284] in FortiAuthenticator HA service 6.3.2 and below, 6.2.x, 6.1.x, 6.0.x may allow an attacker on the same vlan as the HA management interface to make an unauthenticated direct connection to the FAC's database.

Metrics

CVSS 3.1
4.3/10

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

EPSS Probability
0.30%

21.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
FortinetFortiauthenticator>= 6.0.0, < 6.3.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-36177?
An improper access control vulnerability [CWE-284] in FortiAuthenticator HA service 6.3.2 and below, 6.2.x, 6.1.x, 6.0.x may allow an attacker on the same vlan as the HA management interface to make an unauthenticated direct connection to the FAC's database.
How severe is CVE-2021-36177?
CVE-2021-36177 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2021-36177?
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-2021-36177?

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

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Source: NVD / NIST