CVE-2023-47536 Security feature bypass in FortiOS

Low 2.8 Published Updated

Remote attackers can bypass firewall geolocation deny policies by timing requests with GeoIP database updates, requiring Fortinet users to apply patches.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2023-47536?

CVE-2023-47536 is a low-severity vulnerability in Fortinet Fortios, published on 13 Dec 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An improper access control vulnerability [CWE-284] in FortiOS version 7.2.0, version 7.0.13 and below, version 6.4.14 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below may allow a remote unauthenticated attacker to bypass the firewall deny geolocalisation policy via timing the bypass with a GeoIP database update.

Weakness: CWE-284

Which versions are affected by CVE-2023-47536?

It affects 2 products.

Products include Fortinet Fortios, Fortinet Fortiproxy.

How do I fix CVE-2023-47536?

No fix has been published for CVE-2023-47536 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-47536 being exploited?

There is no known exploitation of CVE-2023-47536 in the wild and no public exploit code.

All Fortinet Fortios vulnerabilities

Sources

Also known as GHSA-mr98-43v8-59c7.

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