What is CVE-2016-10345?

CVE-2016-10345 is a high-severity vulnerability in Phusion Passenger, classified under CWE-264. CVSS score: 7.8/10. Published 2017-04-18.

How severe is CVE-2016-10345?

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

Is CVE-2016-10345 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Phusion Passenger

CVE-2016-10345

In Phusion Passenger before 5.1.0, a known /tmp filename was used during passenger-install-nginx-module execution, which could allow local attackers to gain the privileges of the passenger user.

Published 2017-04-18 · 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: 0.005 (37.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Phusion Passenger

Weakness classification (CWE)

CWE-264

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

github.com/phusion/passenger/commit/e5b4b0824d6b648525b4bf63d9fa37e5beeae441 (Patch)
github.com/phusion/passenger/blob/stable-5.1/CHANGELOG (Patch, Release Notes)

Frequently asked questions

What is CVE-2016-10345?: CVE-2016-10345 is a high-severity vulnerability in Phusion Passenger, classified under CWE-264. CVSS score: 7.8/10. Published 2017-04-18.
How severe is CVE-2016-10345?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2016-10345 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.