Which products and versions are affected by CVE-2015-2856?

Affected: File Transfer Appliance (Accellion). The full list is in the CVE brief.

Is CVE-2015-2856 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2015-2856 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2015-2856?

No public exploit code is known.

Is there a fix for CVE-2015-2856?

Fixed versions are available, including File Transfer Appliance fta_9_11_200.

How urgently should CVE-2015-2856 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2015-2856

High

Directory traversal vulnerability in the template function in function.inc in Accellion File Transfer Appliance devices before FTA_9_11_210 allows remote attackers to read arbitrary files via a ..

Published Oct 10, 2017 · Updated May 12, 2026

Key Facts

Patch immediately

CVE-2015-2856 is a high-severity vulnerability (CVSS 7.5 v3) affecting File Transfer Appliance (Accellion).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 57% probability of exploitation in the next 30 days.
Fixed versions are available, including File Transfer Appliance fta_9_11_200.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3

7.5

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

EPSS (30-day exploit likelihood)

57%

Higher than 99.0% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2015-2856 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Directory traversal vulnerability in the template function in function.inc in Accellion File Transfer Appliance devices before FTA_9_11_210 allows remote attackers to read arbitrary files via a .. (dot dot) in the statecode cookie.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
File Transfer ApplianceAccellion	See advisory	fta_9_11_200

Patched Releases

File Transfer Appliance

fta_9_11_200

Timeline

Publicly disclosed
Oct 10, 2017
Last updated
May 12, 2026

Weakness Type

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

exploithttps://www.rapid7.com/db/modules/auxiliary/scanner/http/accellion_fta_statecode_file_read

FAQ

Common Questions.

Directory traversal vulnerability in the template function in function.inc in Accellion File Transfer Appliance devices before FTA_9_11_210 allows remote attackers to read arbitrary files via a ..
Affected: File Transfer Appliance (Accellion). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including File Transfer Appliance fta_9_11_200.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2015-2856 Running On Your Attack Surface?

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