Security readout for executives and security teams
Plain-English summary
CVE-2001-0235 is an old local information-disclosure issue in crontab. A user with local access could replace a temporary file while crontab is running and read another user’s crontab entries. The public record does not identify specific affected vendors or versions.
Executive priority
Treat as a targeted legacy hardening item, not an internet-facing emergency. Prioritize if multi-user Unix systems remain in use, especially where crontab entries may expose sensitive paths, scripts, credentials, or operational details.
Technical view
The vulnerability involves unsafe handling of a temporary file during crontab editing. By replacing that temporary file, a local user may read crontab files belonging to other users. Available sources provide no CVSS score, CWE, affected product list, patch details, or confirmed exploit status.
Likely exposure
Exposure is most relevant to Unix-like systems using a vulnerable crontab implementation. Because the sources list affected products and versions as unavailable, teams must verify exposure against operating system and cron package vendor history.
Exploitation context
This requires local user access and targets confidentiality of scheduled task definitions. The provided sources do not state active exploitation, and this CVE is not listed as KEV in the supplied bundle.
Researcher notes
Public data is sparse. The core issue is local temporary-file replacement during crontab editing. Do not assume affected platforms from the CVE text alone; confirm using vendor-specific advisories or package changelogs.
Mitigation direction
- Check operating system or cron package vendor advisories for CVE-2001-0235 coverage.
- Apply vendor-supported updates if the installed crontab implementation is affected.
- Limit local shell access to trusted users where practical.
- Review file permissions and temporary-file handling guidance from the vendor.
Validation and detection
- Inventory systems running cron or crontab utilities.
- Identify the crontab package name, version, and vendor source.
- Compare installed versions against vendor advisories for this CVE.
- Confirm whether updates or backported fixes are installed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2001-0235 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- crontab-read-files(6225)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.