CVE-2020-10666
CVE-2020-10666 is a critical-severity vulnerability in Sangoma Restapps with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (81st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Sangoma Restapps
- Published:
- Last modified:
Description
The restapps (aka Rest Phone apps) module for Sangoma FreePBX and PBXact 13, 14, and 15 through 15.0.19.2 allows remote code execution via a URL variable to an AMI command.
Frequently asked questions
- What is CVE-2020-10666?
- The restapps (aka Rest Phone apps) module for Sangoma FreePBX and PBXact 13, 14, and 15 through 15.0.19.2 allows remote code execution via a URL variable to an AMI command.
- How severe is CVE-2020-10666?
- CVE-2020-10666 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-10666 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-10666?
- CVE-2020-10666 affects Sangoma Restapps. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-10666?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-10666 published?
- CVE-2020-10666 was published on 2021-05-31 and last updated on 2026-06-17.
References
- https://wiki.freepbx.org/display/FOP/2020-03-12+SECURITY%3A+Potential+Rest+Phone+Apps+RCE
- https://wiki.freepbx.org/display/FOP/List+of+Securities+Vulnerabilities
Affected products (1)
- cpe:2.3:a:sangoma:restapps:*:*:*:*:*:*:*:*
More vulnerabilities in Sangoma Restapps
- CVE-2021-45461 — Critical (CVSS 9.8): FreePBX, when restapps (aka Rest Phone Apps) 15.0.19.87, 15.0.19.88, 16.0.18.40, or 16.0.18.41 is installed, allows…
All CVEs affecting Sangoma Restapps →
Other CWE-77 (Command Injection) vulnerabilities
- CVE-2026-23652 — Critical (CVSS 10.0): Improper neutralization of special elements used in a command ('command injection') in Microsoft Power Pages allows an…
- CVE-2025-59818 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file…
- CVE-2025-64093 — Critical (CVSS 10.0): Remote Code Execution vulnerability that allows unauthenticated attackers to inject arbitrary commands into the…
- CVE-2025-64090 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute commands via the hostname of the device.
- CVE-2025-61492 — Critical (CVSS 10.0): A command injection vulnerability in the execute_command function of terminal-controller-mcp 0.1.7 allows attackers to…
- CVE-2025-10035 — Critical (CVSS 10.0): A deserialization vulnerability in the License Servlet of Fortra's GoAnywhere MFT allows an actor with a validly forged…