Buffer overflow in FTP server in QPC Software's QVT/Term Plus versions 4.2d and 4.3 and…
Priority MEDIUM 47Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Buffer overflow in FTP server in QPC Software's QVT/Term Plus versions 4.2d and 4.3 and QVT/Net 4.3 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long (1) user name or (2) password.
Why it matters now
EPSS 0.12077 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:qpc_software:qvt_net:4.3:*:*:*:*:*:*:* | 4.3 | Vulnerable | Qpc Software |
| cpe:2.3:a:qpc_software:qvt_term_plus:4.2d:*:*:*:*:*:*:* | 4.2d | Vulnerable | Qpc Software |
| cpe:2.3:a:qpc_software:qvt_term_plus:4.3:*:*:*:*:*:*:* | 4.3 | Vulnerable | Qpc Software |
- cpe:2.3:a:qpc_software:qvt_net:4.3:*:*:*:*:*:*:* Versions 4.3 Vulnerable ·Qpc Software
- cpe:2.3:a:qpc_software:qvt_term_plus:4.2d:*:*:*:*:*:*:* Versions 4.2d Vulnerable ·Qpc Software
- cpe:2.3:a:qpc_software:qvt_term_plus:4.3:*:*:*:*:*:*:* Versions 4.3 Vulnerable ·Qpc Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-1999-1539
- 2026-10-03 Alias added: GHSA-2w9w-5m28-9576
References
More Qpc Software Qvt Net vulnerabilities
- TI-2001-00436 Buffer overflow in QPC QVT/Net Popd 4.20 in QVT/Net 5.0 allows remote attackers to cause… CVSS 2.0HIGH 7.5
- TI-2001-00653 Directory traversal vulnerability in ftpd in QPC QVT/Net 4.0 and AVT/Term 5.0 allows a… CVSS 2.0MEDIUM 5.0
- TI-2001-00654 Buffer overflow in ftpd in QPC QVT/Net 5.0 and QVT/Term 5.0 allows a remote attacker to… CVSS 2.0MEDIUM 5.0
Sources
- CVE-1999-1539 · CVE Program
- CVE-1999-1539 · NVD
- FIRST EPSS
- GHSA-2w9w-5m28-9576 · GitHub Advisory Database · CC BY 4.0
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