RCE in Fusionpbx
CVE-2019-11409
app/operator_panel/exec.php in the Operator Panel module in FusionPBX 4.4.3 suffers from a command injection vulnerability due to a lack of input validation that allows authenticated non-administrative attackers to execute commands on the host. This can further lead to remote code execution when combined with an XSS vulnerability also present in the FusionPBX Operator Panel module.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.875 (99.8th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.875 · newest: 0.875 · change: 0.000
Affected products
- Fusionpbx — versions 4.4.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/fusionpbx/fusionpbx/commit/e43ca27ba2d9c0109a6bf198fe2f8d79f63e0611 (Patch, Third Party Advisory)
- packetstormsecurity.com/files/153256/FusionPBX-4.4.3-Remote-Command-Execution.h… (Exploit, VDB Entry, Third Party Advisory)
- blog.gdssecurity.com/labs/2019/6/7/rce-using-caller-id-multiple-vulnerabilities… (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/155344/FusionPBX-Operator-Panel-exec.php-Command-… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-11409?
- CVE-2019-11409 is a high-severity vulnerability in Fusionpbx, classified under OS Command Injection. CVSS score: 8.8/10. Published 2019-06-17.
- How severe is CVE-2019-11409?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-11409 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.