Wing FTP Server before 4.1.1 allows remote authenticated users to cause a denial of service (daemon crash) via two zip commands.
- Published
- Oct 26, 2012
- Updated
- Jun 16, 2026
- EPSS
- 2.2% · 82th percentile
- CWE
- CWE-119
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Report tools
Action score
28
Monitor
Low priority for now.
- CVSS
- 27 / 40 · 6.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.2%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| wftpserver | wing ftp server | cpe:2.3:a:wftpserver:wing_ftp_server |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- wftpserver wing ftp serverup to 4.0.9 inclusive
- wftpserver wing ftp server1.1
- wftpserver wing ftp server1.2
- wftpserver wing ftp server1.3
- wftpserver wing ftp server1.4
- wftpserver wing ftp server1.5
- wftpserver wing ftp server1.6
- wftpserver wing ftp server2.0
- wftpserver wing ftp server2.1
- wftpserver wing ftp server2.3
- wftpserver wing ftp server2.4
- wftpserver wing ftp server3.0.0
- wftpserver wing ftp server3.1.0
- wftpserver wing ftp server3.1.2
- wftpserver wing ftp server3.2.0
- wftpserver wing ftp server3.2.4
- wftpserver wing ftp server3.2.8
- wftpserver wing ftp server3.3.0
- wftpserver wing ftp server3.3.4
- wftpserver wing ftp server3.3.5
Same product
wftpserver: all recordsOther highest-scoring records for the same primary product.
- CVE-2025-47812In Wing FTP Server before 7.4.4.KEV98Now
- CVE-2025-47813loginok.html in Wing FTP Server before 7.4.4 discloses the full local installation path of the application when using a long value in the UIKEV66This week
- CVE-2026-44403Wing FTP Server < 8.1.3 Authenticated Remote Code Execution via Session Serialization35Monitor
- CVE-2025-27889Wing FTP Server before 7.4.4 does not properly validate and sanitize the url parameter of the downloadpass.html endpoint, allowing injection35Monitor
- CVE-2023-37881Weak Access Control between Domains in Wing FTP Server <= 7.2.035Monitor
- CVE-2023-37878Insecure Default Permissions in Wing FTP Server <= 7.2.035Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- C · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- C
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:C
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- archives.neohapsis.com/archives/bugtraq/2012-10/0052.html
- osvdb.org/86132
- www.securityfocus.com/bid/55847
- www.wftpserver.com/serverhistory.htm
Vendor advisories and official records. Exploit/PoC links are deliberately left out.