The Accellion FTP server prior to version FTA_9_12_220 is vulnerable to informaiton exposure

published 2018-07-13 8 y ago modified 2026-06-17 4 mo ago also EUVD-2016-10306

cvss: 6.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 5.4%; EPSS 5.4% chance of exploitation in 30 days, percentile 92%
public exploits: 0; none known

Accellion FTP server prior to version FTA_9_12_220 uses the Accusoft Prizm Content flash component, which contains multiple parameters (customTabCategoryName, customButton1Image) that are vulnerable to cross-site scripting.

Patch / fix

fixed in 1

accellion ftp_server fta_9_12_220

Exploit prediction

5.44% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

qualys.com https://www.qualys.com/2016/12/06/qsa-2016-12-06/qsa-2016-12-06.pdf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

Accellion FTP Server

Classification

Weakness

CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page
CWE-79 Improper Neutralization of Input During Web Page Generation

References

qualys.com /2016/12/06/qsa-2016-12-06/qsa-2016-12-06.pdf
exploit, third-party-advisory
securityfocus.com /bid/96154
vdb-entry, third-party-advisory
kb.cert.org /vuls/id/745607
third-party-advisory, us-government-resource

Sources

CVE List CVE-2016-9500
NVD CVE-2016-9500

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary