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CVE-2016-2353

25
FAUCET Score

CVE-2016-2353 describes a privilege escalation vulnerability in the Accellion File Transfer Appliance (FTA) versions prior to FTA_9_12_40. A local attacker can exploit this flaw by adding an SSH key to an arbitrary group, thereby gaining elevated privileges. This vulnerability carries a CVSS v3 score of 7.8 (High), indicating a low attack complexity and requiring local access, but leading to high impacts on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability received some community discussion and media coverage, including an article from SecurityWeek.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9_11_210CPE matchmatch criteria
cpe:2.3:a:accellion:file_transfer_appliance:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 78th percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

devco.re / blog/2016/04/21/how-I-hacked-facebook-and-found-someones-backdoor-script-eng-ver
Exploit
kb.cert.org / vuls/id/505560
Third Party AdvisoryUS Government Resource