What is CVE-2016-5664?

CVE-2016-5664 is a medium-severity vulnerability in Accellion Kiteworks Appliance, classified under Path Traversal. CVSS score: 4.3/10. Published 2016-08-26.

How severe is CVE-2016-5664?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Path Traversal in Accellion Kiteworks Appliance

CVE-2016-5664

Directory traversal vulnerability on Accellion Kiteworks appliances before kw2016.03.00 allows remote attackers to read files via a crafted URI.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2016-08-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.024 (83.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Accellion Kiteworks Appliance

Weakness classification (CWE)

CWE-22 — Path Traversal

References

www.kb.cert.org/vuls/id/305607 (US Government Resource, Third Party Advisory, third-party-advisory)
www.securityfocus.com/bid/92662 (vdb-entry)

Frequently asked questions

What is CVE-2016-5664?: CVE-2016-5664 is a medium-severity vulnerability in Accellion Kiteworks Appliance, classified under Path Traversal. CVSS score: 4.3/10. Published 2016-08-26.
How severe is CVE-2016-5664?: Medium severity. CVSS v3 base score is 4.3 out of 10.