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.
Conclusion & alert: CVE-2001-0559 is rated Exploit Available (59.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.24%). Core evidence: 4 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 20823 | exploit_db | edb | 2001-07-05 | Exploit-DB ↗ |
| 20822 | exploit_db | edb | 2001-05-07 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-17 | 0.04% | 0.24% | +0.19% |
| 2 | 2023-03-07 | 1.92% | 0.04% | -1.88% |
| 3 | 2022-02-04 | — | 1.92% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| paul_vixie | vixie_cron | <= 3.0.1 | cpe:2.3:a:paul_vixie:vixie_cron:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.debian.org/security/2001/dsa-054 | Vendor Advisory |
| http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-050.php3 | Patch Vendor Advisory |
| http://www.novell.com/linux/security/advisories/2001_017_cron_txt.html | |
| http://www.securityfocus.com/archive/1/183029 | Exploit Patch Vendor Advisory |
| http://www.securityfocus.com/bid/2687 | Exploit Patch Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/6508 |