CVE-2000-1134: n/a vulnerability

CVE-2000-1134: Multiple shell programs on various Unix systems, including (1) tcsh, (2) csh, (3) sh, and (4) bash, follow...

Multiple shell programs on various Unix systems, including (1) tcsh, (2) csh, (3) sh, and (4) bash, follow symlinks when processing << redirects (aka here-documents or in-here documents), which allows local users to overwrite files of other users via a symlink attack.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 05:45 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old local-user weakness in Unix shell handling of here-documents. If an affected shell follows a symbolic link while preparing redirected input, a local attacker may cause another user’s file to be overwritten. The main business concern is legacy Unix/Linux systems with shared shell access. Most likely on unpatched legacy Unix or Linux hosts from the 2000-era advisories, especially multi-user systems, shell servers, and old appliances. Modern exposure is unclear from the bundle. Treat this as a legacy exposure issue, not an internet-wide emergency. Escalate for shared Unix systems, old Linux distributions, or appliances where local users are not fully trusted. Mitigation focus: Check the relevant Unix or Linux vendor advisory for patched shell packages.; Prioritize shared systems where untrusted local users can run affected shells.; Retire or isolate unsupported legacy hosts that cannot receive vendor fixes..

Prepared: Jul 12, 2026, 00:24 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 19, 2000, 05:00 UTC (UTC+00:00)

Official CVE source material

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.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

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
oval:org.mitre.oval:def:4047CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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