cmd5checkpw 0.21 and earlier allows remote attackers to cause a denial of service via an…
Priority LOW 36Published · 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
cmd5checkpw 0.21 and earlier allows remote attackers to cause a denial of service via an "SMTP AUTH" command with an unknown username.
Why it matters now
EPSS 0.01588 75th 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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:krzysztof_dabrowski:cmd5checkpw:0.20:*:*:*:*:*:*:* | 0.20 | Vulnerable | Krzysztof Dabrowski |
| cpe:2.3:a:krzysztof_dabrowski:cmd5checkpw:0.21:*:*:*:*:*:*:* | 0.21 | Vulnerable | Krzysztof Dabrowski |
- cpe:2.3:a:krzysztof_dabrowski:cmd5checkpw:0.20:*:*:*:*:*:*:* Versions 0.20 Vulnerable ·Krzysztof Dabrowski
- cpe:2.3:a:krzysztof_dabrowski:cmd5checkpw:0.21:*:*:*:*:*:*:* Versions 0.21 Vulnerable ·Krzysztof Dabrowski
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2000-0990
- 2026-10-03 Alias added: GHSA-pcx3-q885-423g
References
More Krzysztof Dabrowski Cmd5checkpw vulnerabilities
- TI-2005-00531 cmd5checkpw, when running setuid, does not properly drop privileges before calling the… CVSS 2.0LOW 2.1
Sources
- CVE-2000-0990 · CVE Program
- CVE-2000-0990 · NVD
- FIRST EPSS
- GHSA-pcx3-q885-423g · GitHub Advisory Database · CC BY 4.0
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