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CVE Record

CVE-2001-1063: Buffer overflow in uidadmin in Caldera Open Unix 8.0.0 and UnixWare 7 allows local users to gain root privi...

Buffer overflow in uidadmin in Caldera Open Unix 8.0.0 and UnixWare 7 allows local users to gain root privileges via a long -S (scheme) command line argument.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This is an old local privilege-escalation flaw in Caldera Open Unix 8.0.0 and UnixWare 7. A user with local access could potentially gain root privileges by abusing a buffer overflow in the uidadmin utility. Business urgency is highest for organizations still running these legacy Unix systems.

Executive priority

Prioritize if these legacy Unix platforms remain in production or support sensitive operations. The issue enables root compromise after local access, which can turn a low-privilege account into full system control. If the platforms are retired, urgency is low.

Technical view

CVE-2001-1063 describes a buffer overflow in uidadmin triggered through an overly long -S, or scheme, command-line argument. The reported impact is local root privilege escalation on Caldera Open Unix 8.0.0 and UnixWare 7. The provided sources do not include CVSS, CWE, patch details, or exploit-status confirmation.

Likely exposure

Exposure is likely limited to legacy environments running Caldera Open Unix 8.0.0 or UnixWare 7 where untrusted users can access local shells, batch jobs, or administrative interfaces that invoke local utilities.

Exploitation context

The source material supports local exploitation for privilege escalation, not remote compromise. CISA KEV is not indicated, and the provided sources do not confirm active exploitation. The vulnerability is old, so remaining risk is mostly in unmanaged or business-critical legacy systems.

Researcher notes

Evidence is sparse. The CVE record and X-Force reference identify the vulnerable utility, affected platforms, vector, and root impact, but not patch status, exploit maturity, or detailed conditions. Avoid assuming broader UnixWare or OpenServer exposure beyond the named products and versions.

Mitigation direction

  • Inventory systems for Caldera Open Unix 8.0.0 and UnixWare 7.
  • Restrict local shell access to trusted administrators only.
  • Check vendor or legacy support guidance for available fixes or compensating controls.
  • Retire, isolate, or replace unsupported affected systems where feasible.
  • Monitor privileged-account activity on any remaining affected hosts.

Validation and detection

  • Confirm whether uidadmin exists on candidate systems.
  • Verify operating system and version against the affected products listed in the CVE.
  • Review local user access, service accounts, and batch execution paths.
  • Check change records for any historical vendor fix or hardening action.
  • Validate compensating controls such as isolation and restricted local access.
Prepared
Confidence
medium
Sources
3

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

Potential ATT&CK relevance

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

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CVE-2001-1063 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.