CVE-2017-8303File Transfer Appliance Vulnerability
An issue was discovered on Accellion FTA devices before FTA_9_12_180.
Published May 5, 2017 · Updated May 12, 2026
Key Facts
Patch in the next maintenance window- CVE-2017-8303 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting File Transfer Appliance (Accellion).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 24% probability of exploitation in the next 30 days.
- Fixed versions are available, including File Transfer Appliance 9_12_180.
- Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
24%
Higher than 97.8% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
35/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Description
An issue was discovered on Accellion FTA devices before FTA_9_12_180. seos/1000/find.api allows Remote Code Execution with shell metacharacters in the method parameter.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| File Transfer ApplianceAccellion | See advisory | 9_12_180 |
Patched Releases
File Transfer Appliance
9_12_180
Timeline
Publicly disclosed
May 5, 2017
Last updated
May 12, 2026
Weakness Type
- CWE-116 Improper Encoding or Escaping of Output
References
- exploitgist.github.com · 32e2894
FAQ
Common Questions.
An issue was discovered on Accellion FTA devices before FTA_9_12_180.
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 9_12_180.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
Is CVE-2017-8303 On Your Attack Surface?
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