Security readout for executives and security teams
Plain-English summary
CVE-1999-1286 affects SGI IRIX 6.2 and earlier. A local user could abuse how addnetpr handles a temporary file to modify files they should not control, possibly gaining root privileges. This mainly matters for organizations still operating legacy IRIX systems.
Executive priority
Prioritize if the organization still runs IRIX with multiple local users or regulated workloads. Otherwise, this is mainly an asset-discovery and legacy-risk cleanup item rather than an urgent enterprise-wide incident.
Technical view
The issue is a local symlink attack in addnetpr on SGI IRIX 6.2 and earlier. The CVE description says it can allow arbitrary file modification and possible root access. Public metadata does not provide CVSS, CWE classification, or a named vendor patch.
Likely exposure
Exposure is likely limited to legacy SGI IRIX 6.2 or earlier systems where untrusted or lower-privileged local users can run addnetpr. Modern environments without IRIX are not affected based on the provided sources.
Exploitation context
This is a local privilege-escalation class issue, not a remote network attack. The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation would require local access to an affected IRIX host.
Researcher notes
Public evidence is sparse. The CVE record and X-Force reference identify the vulnerable component and impact, but not CVSS, exploit maturity, or a specific fix. Treat remediation planning as legacy platform risk management unless vendor guidance is found.
Mitigation direction
- Inventory for SGI IRIX 6.2 or earlier systems.
- Restrict local shell access to trusted administrators only.
- Check SGI or trusted vendor archives for historical guidance.
- Disable or remove addnetpr if business operations do not require it.
- Isolate or retire legacy IRIX systems where feasible.
Validation and detection
- Confirm whether any SGI IRIX systems remain in production.
- Verify OS versions are IRIX 6.2 or earlier.
- Check whether addnetpr exists and is accessible to local users.
- Review local account access on affected hosts.
- Examine integrity logs for unexpected privileged file changes.
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-1999-1286 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
- irix-addnetpr(1433)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.