CVE-2023-40720

Description

An authorization bypass through user-controlled key vulnerability [CWE-639] in FortiVoiceEntreprise version 7.0.0 through 7.0.1 and before 6.4.8 allows an authenticated attacker to read the SIP configuration of other users via crafted HTTP or HTTPS requests.

Remediation

Solution:

  • Please upgrade to FortiVoice version 7.0.2 or above Please upgrade to FortiVoice version 6.4.9 or above

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.09%
Vendor Advisory fortiguard.com
Affected: Fortinet FortiVoice
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/psirt/FG-IR-23-282 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-40720?
CVE-2023-40720 has been scored as a high severity vulnerability.
How to fix CVE-2023-40720?
To fix CVE-2023-40720: Please upgrade to FortiVoice version 7.0.2 or above Please upgrade to FortiVoice version 6.4.9 or above
Is CVE-2023-40720 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-40720 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-2023-40720?
CVE-2023-40720 affects Fortinet FortiVoice.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.