CVE•Published 2023-11-02•Modified 2026-07-09•1 article on news•6 live references•NVD data
CVE-2023-43336Sangoma · Freepbx
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
53
Exploit Prediction Scoring System · top 47% of all CVEs
Weaknesses (CWE)
Description
Sangoma Technologies FreePBX before cdr 15.0.18, 16.0.40, 15.0.16, and 16.0.17 was discovered to contain an access control issue via a modified parameter value, e.g., changing extension=self to extension=101.
Timeline
Published 2023-11-02
Modified 2026-07-09
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-43336Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Sangoma Freepbx"All exposed Sangoma Freepbx instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Freepbx"HTTP body or banner mentions "Freepbx" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-43336Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-43336Censys host search filtered to this CVE id.
grep.app
CVE-2023-43336Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-43336GitHub code search for direct mentions.
Google dork
"CVE-2023-43336" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2023-43336 on GitHub.