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CVE-2025-66039
ANC
CriticalConfirmedExploit available

FreePBX Endpoint Manager is a module for managing telephony endpoints in FreePBX systems. Versions are vulnerable to authentication bypass …

CVSS
9.3
Critical
EPSS
0.03
p85
Published
2025-01-01
Updated
2025-01-01
Description

FreePBX Endpoint Manager is a module for managing telephony endpoints in FreePBX systems. Versions are vulnerable to authentication bypass when the authentication type is set to "webserver." When providing an Authorization header with an arbitrary value, a session is associated with the target user regardless of valid credentials. This issue is fixed in versions 16.0.44 and 17.0.23.

Tags · CWE
Pre-auth
CWE-287
CAPEC-22
CAPEC-57
CAPEC-94
CAPEC-114
CAPEC-115
CAPEC-151
CAPEC-194
CAPEC-593
CAPEC-633
CAPEC-650
Affected products
Freepbx < 16.0.44Freepbx 17.0.1–17.0.23
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Timeline
2025-01-01
Published
2025-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Attack Requirements
AT: N
None
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Vulnerable System Confidentiality
VC: H
High (H)
Vulnerable System Integrity
VI: H
High (H)
Vulnerable System Availability
VA: H
High (H)
Subsequent System Confidentiality
SC: N
None (N)
Subsequent System Integrity
SI: N
None (N)
Subsequent System Availability
SA: N
None (N)
Exploit Code Maturity
E: X
Not Defined
Confidentiality Requirement
CR: X
Not Defined
Integrity Requirement
IR: X
Not Defined
Availability Requirement
AR: X
Not Defined
Modified Attack Vector
MAV: X
Not Defined
Modified Attack Complexity
MAC: X
Not Defined
Modified Attack Requirements
MAT: X
Not Defined
Modified Privileges Required
MPR: X
Not Defined
Modified User Interaction
MUI: X
Not Defined
Modified Vulnerable System Confidentiality
MVC: X
Not Defined
Modified Vulnerable System Integrity
MVI: X
Not Defined
Modified Vulnerable System Availability
MVA: X
Not Defined
Modified Subsequent System Confidentiality
MSC: X
Not Defined
Modified Subsequent System Integrity
MSI: X
Not Defined
Modified Subsequent System Availability
MSA: X
Not Defined
s
S: X
X
au
AU: X
X
r
R: X
X
v
V: X
X
re
RE: X
X
u
U: X
X
Exploit indicators
EPSS
0.030 · p85
Known exploited (KEV)
No
MITRE ATT&CK
Inferred via CAPEC
└ via CAPEC-57 · CWE-287
└ via CAPEC-633 · CWE-287
└ via CAPEC-593 · CWE-287
└ via CAPEC-650 · CWE-287
└ via CAPEC-114 · CWE-287
└ via CAPEC-593 · CWE-287
└ via CAPEC-94 · CWE-287
└ via CAPEC-593 · CWE-287
Known exploits — Сканер-ВС
CVE-2025-66039
github-poc · https://github.com/BimBoxH4/CVE-2025-66039_CVE-2025-61675_CVE-2025-61678_reePBX
Enterprise
Affected products
ProductVendorStatus
Tracked
freepbx*Tracked