CVE-2023-33307

Description

A null pointer dereference in Fortinet FortiOS before 7.2.5 and before 7.0.11, FortiProxy before 7.2.3 and before 7.0.9 allows attacker to denial of sslvpn service via specifically crafted request in network parameter.

Remediation

Solution:

  • Please upgrade to FortiOS version 7.4.0 or above Please upgrade to FortiOS version 7.2.5 or above Please upgrade to FortiOS version 7.0.11 or above Please upgrade to FortiOS version 6.4.13 or above Please upgrade to FortiProxy version 7.2.4 or above Please upgrade to FortiProxy version 7.2.3 or above Please upgrade to FortiProxy version 7.0.9 or above Please upgrade to FortiProxy version 7.0.10 or above

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.07%
Third-Party Advisory ibmcloud.com
Affected: Fortinet FortiOS
Affected: Fortinet FortiProxy
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/psirt/FG-IR-23-015 not applicable
https://exchange.xforce.ibmcloud.com/vulnerabilities/258201 third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-33307?
CVE-2023-33307 has been scored as a medium severity vulnerability.
How to fix CVE-2023-33307?
To fix CVE-2023-33307: Please upgrade to FortiOS version 7.4.0 or above Please upgrade to FortiOS version 7.2.5 or above Please upgrade to FortiOS version 7.0.11 or above Please upgrade to FortiOS version 6.4.13 or above Please upgrade to FortiProxy version 7.2.4 or above Please upgrade to FortiProxy version 7.2.3 or above Please upgrade to FortiProxy version 7.0.9 or above Please upgrade to FortiProxy version 7.0.10 or above
Is CVE-2023-33307 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-33307 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-2023-33307?
CVE-2023-33307 affects Fortinet FortiOS, Fortinet FortiProxy.
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