Type Vulnerability
Sangoma FreePBX Endpoint Manager contains an OS command injection vulnerability that could allow for a post-authentication command injection by an authenticated known user via the testconnection ->…
Sangoma · Code execution
Sangoma FreePBX OS Command Injection Vulnerability
CVE-2025-64328
What this means
This is rated high severity (8.6 out of 10). It is on the known-exploited catalogue, which means attacks using it have already been seen. Ask IT whether Sangoma Filestore is in your estate, and treat that as the priority.
Full vendor description
FreePBX Endpoint Manager is a module for managing telephony endpoints in FreePBX systems. In versions 17.0.2.36 and above before 17.0.3, the filestore module within the Administrative interface is vulnerable to a post-authentication command injection by an authenticated known user via the testconnection -> check_ssh_connect() function. An attacker can leverage this vulnerability to obtain remote access to the system as an asterisk user. This issue is fixed in version 17.0.3.
Scoring and exploitation
8.6/ 10
CVSS 4.0 base scoreHigh
Exploitable over the network with an administrator-level account, and no one has to click or open anything. High impact on confidentiality, integrity and availability.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
Exploitability
Longer bar: easier to attack
Attack vectorNetworkAV:N
Attack complexityLowAC:L
Attack requirementsNoneAT:N
Privileges requiredHighPR:H
User interactionNoneUI:N
Impact
Longer bar: more harm
ConfidentialityHighVC:H
IntegrityHighVI:H
AvailabilityHighVA:H
- Elevated attack likelihood (~84.6% in 30 days)Model estimate (): a probability signal, not confirmed exploitation
- Exploited in the wild
- Yes — confirmed exploitation (US CISA )
- Not reported
- Listed product
- Sangoma FreePBX
Weaknesses
CWE-78
Affected products ()
- Sangoma Filestore
Show the raw CPE strings (1)
- cpe:2.3:a:sangoma:filestore:*:*:*:*:*:freepbx:*:*
References
5 links from the CVE record, grouped by site; the vendor's advisory comes first.
github.com2 linksVendor advisory
- testconnection.php (opens in a new tab)Product
- GHSA-vm9p-46mv-5xvw (opens in a new tab)Vendor Advisory · Mitigation
freepbx.org1 linkVendor advisory
- watch-what-we-do-with-security-fixes-👀 (opens in a new tab)Vendor Advisory
cisa.gov1 link
- known-exploited-vulnerabilities-catalog (opens in a new tab)Third Party Advisory · US Government Resource
fortinet.com1 link
- unveiling-the-weaponized-web-shell-encystphp (opens in a new tab)Exploit · Third Party Advisory