CVE-1999-0901

CVE-1999-0901 is a high-severity vulnerability in Linux-nis Ypserv with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

ypserv allows a local user to modify the GECOS and login shells of other users.

Frequently asked questions

What is CVE-1999-0901?
ypserv allows a local user to modify the GECOS and login shells of other users.
How severe is CVE-1999-0901?
CVE-1999-0901 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-1999-0901 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0901?
CVE-1999-0901 affects Linux-nis Ypserv. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0901?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-0901 published?
CVE-1999-0901 was published on 1999-10-23 and last updated on 2026-06-16.

References

Affected products (1)

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