CVE-1999-0856

Name: CVE-1999-0856
Creator: NVD / NIST
Published: 1999-12-01T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.04%

Last modified Jun 16, 2026

CVE-1999-0856 is a vulnerability of currently unknown severity. login in Slackware 7.0 allows remote attackers to identify valid users on the system by reporting an encryption error when an account is locked or does not exist.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

login in Slackware 7.0 allows remote attackers to identify valid users on the system by reporting an encryption error when an account is locked or does not exist.

Metrics

EPSS Probability

1.04%

59.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Slackware	Slackware Linux	7.0

References

Timeline

Published: Dec 1, 1999
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-1999-0856?

login in Slackware 7.0 allows remote attackers to identify valid users on the system by reporting an encryption error when an account is locked or does not exist.

How severe is CVE-1999-0856?

Severity scoring for CVE-1999-0856 is pending analysis. The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-1999-0856?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-1999-0856?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST