FortiVoiceEnterprise 7.0.* Auth Bypass via Crafted SIP Config (CWE639)
CVE-2023-40720 Published on May 14, 2024
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.
Vulnerability Analysis
CVE-2023-40720 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity, and a small impact on availability.
Weakness Type
What is an Insecure Direct Object Reference / IDOR Vulnerability?
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
CVE-2023-40720 has been classified to as an Insecure Direct Object Reference / IDOR vulnerability or weakness.
Products Associated with CVE-2023-40720
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Affected Versions
Fortinet FortiVoice:- Version 7.0.0, <= 7.0.1 is affected.
- Version 6.4.0, <= 6.4.8 is affected.
- Version 6.0.0, <= 6.0.12 is affected.
- Version 6.4.0, <= 6.4.8 is affected.
- Version 6.0.0 and below 6.1.0 is affected.
- Version 7.0.0, <= 7.0.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.