What is CVE-2015-3431?

CVE-2015-3431 is a critical-severity vulnerability in Pydio, classified under OS Command Injection. CVSS score: 9.8/10. Published 2017-09-19.

How severe is CVE-2015-3431?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Pydio

CVE-2015-3431

Pydio (formerly AjaXplorer) before 6.0.7 allows remote attackers to execute arbitrary commands via unspecified vectors, aka "Pydio OS Command Injection Vulnerabilities."

Vulnerability class: Command Injection (OS Command Injection)

Published 2017-09-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.041 (90.5th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.041 · newest: 0.041 · change: 0.000

Affected products

Pydio

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

pydio.com/en/community/releases/pydio-core/pydio-607-security-release (Release Notes, Vendor Advisory)
www.securityfocus.com/bid/74596 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2015-3431?: CVE-2015-3431 is a critical-severity vulnerability in Pydio, classified under OS Command Injection. CVSS score: 9.8/10. Published 2017-09-19.
How severe is CVE-2015-3431?: Critical severity. CVSS v3 base score is 9.8 out of 10.