CuteFTP 5.0 XP Buffer Overflow via Site Manager Label Field
Priority HIGH 72CWE-120Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
CuteFTP 5.0 XP contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by injecting malicious payload into the Site Manager label field. Attackers can craft a payload exceeding 520 bytes that overwrites the return address and executes shellcode when a shortcut is created and launched.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00183 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Global Scape | CuteFTP | 5.0.4 | — | No fix listed | CNA |
- CuteFTP VendorGlobal Scape Affected 5.0.4 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-25366
- 2026-10-03 Alias added: GHSA-3hrq-94cp-44pf
References
Exploit 1
Other 1
More Global Scape vulnerabilities
- TI-2023-02800 Fortra Globalscape Administration Server Out of Bounds Memory Read CVSS 3.1CRITICAL 9.1
- TI-2005-01338 Buffer overflow in GlobalSCAPE Secure FTP Server 3.0.2 allows remote authenticated users… CVSS 2.0HIGH 10.0
- TI-2023-02801 Fortra Globalscape Administration Server Denial of Service CVSS 3.1HIGH 7.5
- TI-2023-02802 Fortra Globalscape Administration Server Information Disclosure CVSS 3.1MEDIUM 5.3
- TI-2024-01105 Global Scape CuteFTP denial of service CVSS 3.1MEDIUM 5.5
- TI-2009-03321 Heap-based buffer overflow in the Create New Site feature in GlobalSCAPE CuteFTP… CVSS 2.0HIGH 9.3
Sources
- CVE-2018-25366 · CVE Program
- CVE-2018-25366 · NVD
- FIRST EPSS
- GHSA-3hrq-94cp-44pf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences