Buffer overflow in vchkpw/vpopmail POP authentication package allows remote attackers to…
Priority MEDIUM 57Published · 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
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Buffer overflow in vchkpw/vpopmail POP authentication package allows remote attackers to gain root privileges via a long username or password.
Why it matters now
EPSS 0.12869 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 · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.1:*:*:*:*:*:*:* | vchkpw_3.4.1 | Vulnerable | Inter7 |
| cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.2:*:*:*:*:*:*:* | vchkpw_3.4.2 | Vulnerable | Inter7 |
| cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.3:*:*:*:*:*:*:* | vchkpw_3.4.3 | Vulnerable | Inter7 |
| cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.4:*:*:*:*:*:*:* | vchkpw_3.4.4 | Vulnerable | Inter7 |
| cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.5:*:*:*:*:*:*:* | vchkpw_3.4.5 | Vulnerable | Inter7 |
| cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.6:*:*:*:*:*:*:* | vchkpw_3.4.6 | Vulnerable | Inter7 |
| cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.7:*:*:*:*:*:*:* | vchkpw_3.4.7 | Vulnerable | Inter7 |
| cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.8:*:*:*:*:*:*:* | vchkpw_3.4.8 | Vulnerable | Inter7 |
| cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.9:*:*:*:*:*:*:* | vchkpw_3.4.9 | Vulnerable | Inter7 |
| cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.11:*:*:*:*:*:*:* | vchkpw_3.4.11 | Vulnerable | Inter7 |
- cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.1:*:*:*:*:*:*:* Versions vchkpw_3.4.1 Vulnerable ·Inter7
- cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.2:*:*:*:*:*:*:* Versions vchkpw_3.4.2 Vulnerable ·Inter7
- cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.3:*:*:*:*:*:*:* Versions vchkpw_3.4.3 Vulnerable ·Inter7
- cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.4:*:*:*:*:*:*:* Versions vchkpw_3.4.4 Vulnerable ·Inter7
- cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.5:*:*:*:*:*:*:* Versions vchkpw_3.4.5 Vulnerable ·Inter7
- cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.6:*:*:*:*:*:*:* Versions vchkpw_3.4.6 Vulnerable ·Inter7
- cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.7:*:*:*:*:*:*:* Versions vchkpw_3.4.7 Vulnerable ·Inter7
- cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.8:*:*:*:*:*:*:* Versions vchkpw_3.4.8 Vulnerable ·Inter7
- cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.9:*:*:*:*:*:*:* Versions vchkpw_3.4.9 Vulnerable ·Inter7
- cpe:2.3:a:inter7:vpopmail:vchkpw_3.4.11:*:*:*:*:*:*:* Versions vchkpw_3.4.11 Vulnerable ·Inter7
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2000-0091
- 2026-10-03 Alias added: GHSA-j7gx-8wqm-phgg
More Inter7 Vpopmail vulnerabilities
- TI-2001-00946 Inter7 vpopmail 4.10.35 and earlier, when using the MySQL module, compiles authentication… CVSS 2.0MEDIUM 4.6
Sources
- CVE-2000-0091 · CVE Program
- CVE-2000-0091 · NVD
- FIRST EPSS
- GHSA-j7gx-8wqm-phgg · GitHub Advisory Database · CC BY 4.0
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