Security readout for executives and security teams
Plain-English summary
CVE-2001-0823 is an old local privilege-escalation issue in Performance Co-Pilot. A local user could abuse how the pmpost program handles the NOTICES file in the PCP log directory using a symbolic link. No active exploitation is reported in the provided sources.
Executive priority
Treat as a lower-urgency legacy local privilege risk unless PCP is present on multi-user or sensitive systems. Prioritize validation in older UNIX/Linux environments and remediate during normal patch cycles unless local user exposure is high.
Technical view
Performance Co-Pilot versions before 2.2.1-3 are described as vulnerable. The flaw is a symlink attack involving pmpost and the NOTICES file under PCP_LOG_DIR, allowing a local user to gain privileges. The sources do not provide CVSS, CWE, affected platform details, or exploit maturity.
Likely exposure
Exposure is likely limited to systems running Performance Co-Pilot before 2.2.1-3 where local users can access the host. The source bundle does not identify specific vendors, operating systems, or package names beyond PCP.
Exploitation context
This requires local access and an affected PCP installation. The provided CVE data does not indicate remote exploitation, public weaponization, or CISA KEV listing. IBM X-Force has an entry referencing the issue.
Researcher notes
Evidence is sparse. The CVE description establishes local privilege gain through pmpost symlink handling before PCP 2.2.1-3. No CVSS, CWE, detailed platform matrix, patch advisory text, or exploitation evidence is included in the provided sources.
Mitigation direction
- Upgrade Performance Co-Pilot to version 2.2.1-3 or later where applicable.
- Check vendor or distribution advisories for platform-specific package guidance.
- Limit interactive local access on systems running affected PCP versions.
- Review PCP log directory ownership and permissions against vendor guidance.
Validation and detection
- Inventory systems for installed Performance Co-Pilot packages.
- Confirm PCP versions and flag releases before 2.2.1-3.
- Identify hosts where local users can access PCP components.
- Review PCP_LOG_DIR and NOTICES handling against vendor documentation.
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
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CVE-2001-0823 mapping review
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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
- irix-pcp-pmpost-symlink(6724)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.