CVE-2011-3976Scriptftp Memory Corruption
Stack-based buffer overflow in AmmSoft ScriptFTP 3.3 allows remote FTP servers to execute arbitrary code via a long filename in a response to a LIST command, as demonstrated using (1) GETLIST or (2) GETFILE in a ScriptFTP script.
Published Oct 4, 2011 · Updated Apr 28, 2026
Key Facts
Routine patching- CVE-2011-3976 is a medium-severity vulnerability (CVSS 6.8 v2) affecting Scriptftp (Ammsoft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 31% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Scores
CVSS v2
6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
31%
Higher than 98.2% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
50/100
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
Weaponized
Public exploit code
5
Proof-of-concept links
In-the-wild evidence
2
Reports of active use
Advisories And Exploit References
- advisory46099
Description
Stack-based buffer overflow in AmmSoft ScriptFTP 3.3 allows remote FTP servers to execute arbitrary code via a long filename in a response to a LIST command, as demonstrated using (1) GETLIST or (2) GETFILE in a ScriptFTP script.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ScriptftpAmmsoft | 3.3 | n/a |
Timeline
Publicly disclosed
Oct 4, 2011
Last updated
Apr 28, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisory46099
- exploitMSF scriptftp_list.rb
- exploitExploitDB-17876
- exploitExploitDB-17904
- exploitExploitDB-17948
FAQ
Common Questions.
Stack-based buffer overflow in AmmSoft ScriptFTP 3.3 allows remote FTP servers to execute arbitrary code via a long filename in a response to a LIST command, as demonstrated using (1) GETLIST or (2) GETFILE in a ScriptFTP script.
Affected: Scriptftp (Ammsoft) versions 3.3. 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.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Is CVE-2011-3976 On Your Attack Surface?
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