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Vulnerabilities

Vulnerability · CVE-1999-0590

A system does not present an appropriate legal message or warning to a user who is accessing it.

Published Jun 1, 2000 · catalog updated Jun 16, 2026 · Apple

Check if you run it

No confirmed exploitation is on record for CVE-1999-0590. EPSS is 6.02%. Act only if a listed version of Apple is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical10.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
6.02%
Remediation
Advisory link
Affected products
cpe apple/macos · cpe linux/linux kernel · cpe microsoft/windows 2000 · cpe microsoft/windows 95 · cpe microsoft/windows 98 · cpe microsoft/windows nt

A system does not present an appropriate legal message or warning to a user who is accessing it.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apple/macosversion unspecified
  • cpe linux/linux kernel2.6.20.1
  • cpe microsoft/windows 2000version unspecified
  • cpe microsoft/windows 95version unspecified
  • cpe microsoft/windows 98version unspecified
  • cpe microsoft/windows nt3.5.1
  • cpe microsoft/windows nt4.0

How to fix CVE-1999-0590

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-1999-0590. EPSS is 6.02%. Act only if a listed version of Apple is installed.

Which versions are affected?

Compare what you have installed with linux/linux kernel 2.6.20.1; microsoft/windows nt 3.5.1; microsoft/windows nt 4.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 6.02%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 1, 2000 · Apple Security Releases

    Detected

    A system does not present an appropriate legal message or warning to a user who is accessing it.

  2. Jun 16, 2026 · Apple Security Releases

    Updated

    A system does not present an appropriate legal message or warning to a user who is accessing it.

Sources

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.