crontab in Vixie cron 3.0.1 and earlier does not properly drop privileges after the…
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Local
- 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
crontab in Vixie cron 3.0.1 and earlier does not properly drop privileges after the failed parsing of a modification operation, which could allow a local attacker to gain additional privileges when an editor is called to correct the error.
Why it matters now
EPSS 0.01101 65th 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:paul_vixie:vixie_cron:*:*:*:*:*:*:*:* | up to 3.0.1 | Vulnerable | Paul Vixie |
- cpe:2.3:a:paul_vixie:vixie_cron:*:*:*:*:*:*:*:* Versions up to 3.0.1 Vulnerable ·Paul Vixie
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2001-0559
- 2026-10-03 Alias added: GHSA-xxwc-wcp3-hfp4
References
Patch 1
Advisory 2
More Paul Vixie Vixie Cron vulnerabilities
- TI-1999-00719 Vixie Cron on Linux systems allows local users to set parameters of sendmail commands via… CVSS 2.0HIGH 7.2
- TI-2006-02526 do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid… CVSS 2.0HIGH 7.2
- TI-1999-00822 Buffer overflow in Vixie cron allows local users to gain root access via a long MAILTO… CVSS 2.0HIGH 7.2
- TI-1999-00293 Buffer overflow in Vixie Cron library up to version 3.0 allows local users to obtain root… CVSS 2.0HIGH 7.2
- TI-2001-00545 Buffer overflow in Vixie cron 3.0.1-56 and earlier could allow a local attacker to gain… CVSS 2.0MEDIUM 4.6
- TI-2000-01084 crontab by Paul Vixie uses predictable file names for a temporary file and does not… CVSS 2.0LOW 3.7
Sources
- CVE-2001-0559 · CVE Program
- CVE-2001-0559 · NVD
- FIRST EPSS
- GHSA-xxwc-wcp3-hfp4 · GitHub Advisory Database · CC BY 4.0
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