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CVE-2001-0559

33
FAUCET Score

CVE-2001-0559 describes a privilege escalation vulnerability in Vixie cron versions 3.0.1 and earlier. Specifically, the crontab utility fails to properly drop privileges after a failed modification operation, potentially allowing a local attacker to gain elevated privileges when an editor is invoked to correct the error. This vulnerability is rated as High severity (CVSS 7.2), indicating a local attack vector with low complexity, leading to complete compromise of confidentiality, integrity, and availability. Its FAUCET Risk Score is 95/100, highlighting its significant potential impact. While not listed on the CISA KEV or Hot List, exploit code is publicly available on ExploitDB. The vulnerability has garnered notable community discussion with 10 mentions, suggesting awareness and potential interest among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.0.1CPE matchmatch criteria
cpe:2.3:a:paul_vixie:vixie_cron:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.10%
Probability of exploitation in next 30 days
EPSS Percentile
62.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-20823 · Jul 5, 2001
This CVE's current EPSS score of 0.0110 is in the 81st percentile among its peer group of 3,237 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

debianvendor investigatingvia nvd_reference
View patch

References

exchange.xforce.ibmcloud.com / vulnerabilities/6508
debian.org / security/2001/dsa-054
Vendor Advisory
linux-mandrake.com / en/security/2001/MDKSA-2001-050.php3
PatchVendor Advisory
novell.com / linux/security/advisories/2001_017_cron_txt.html
securityfocus.com / archive/1/183029
ExploitPatchVendor Advisory
securityfocus.com / bid/2687
ExploitPatchVendor Advisory