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CVE-2016-9499
The Accellion FTP server prior to version FTA_9_12_220 is vulnerable to cross-site scripting.
Medium5.3EPSS 7.7%
- Published
- Updated
- Reserved
- Assigned by
- certcc
Description
Accellion FTP server prior to version FTA_9_12_220 only returns the username in the server response if the username is invalid. An attacker may use this information to determine valid user accounts and enumerate them.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 7.7% · top 5.4% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
Accellion · FTP Server
- affected FTA_9_12_220 – < FTA_9_12_220
What to do
Solution: Both issues have been addressed in the most recent version FTA_9_12_220, released on 31 January 2017. Previously, CVE-2016-9500 was addressed in FTA_9_12_160 released on 29 November 2016.
References (3)
- https://www.qualys.com/2016/12/06/qsa-2016-12-06/qsa-2016-12-06.pdf (opens in a new tab)x_refsource_MISCx_transferred
- 96154 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- VU#745607 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .