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CVE-2023-40720

HIGH
7.1
CVSS Score
Published: May 14, 2024 at 04:19 PM UTC
Updated: June 17, 2026 at 06:19 AM UTC
1 product affected across 1 vendorFortiVoice

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Severity
HIGH7.1
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FortiVoice· Fortinet
95%
6.0.0 ≤ v ≤ 6.0.126.0.0 ≤ v < 6.1.06.4.0 ≤ v ≤ 6.4.87.0.0 ≤ v ≤ 7.0.16.0.06.4.07.0.07.0.1
Affected range stops below 6.1.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://fortiguard.com/psirt/FG-IR-23-282

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-639

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