What is CVE-2016-2363?

CVE-2016-2363 is a high-severity vulnerability in Fonality, classified under CWE-264. CVSS score: 7.8/10. Published 2016-06-20.

How severe is CVE-2016-2363?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Fonality

CVE-2016-2363

Fonality (previously trixbox Pro) 12.6 through 14.1i before 2016-06-01 uses weak permissions for the /var/www/rpc/surun script, which allows local users to obtain root access for unspecified command execution by leveraging access to the nobody account.

Published 2016-06-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Fonality — versions 12.6, 12.8, 14.1i

Weakness classification (CWE)

CWE-264

References

www.kb.cert.org/vuls/id/754056 (US Government Resource, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2016-2363?: CVE-2016-2363 is a high-severity vulnerability in Fonality, classified under CWE-264. CVSS score: 7.8/10. Published 2016-06-20.
How severe is CVE-2016-2363?: High severity. CVSS v3 base score is 7.8 out of 10.