CVE-2000-0786

CVE-2000-0786 is a medium-severity vulnerability in Gnu Userv with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

GNU userv 1.0.0 and earlier does not properly perform file descriptor swapping, which can corrupt the USERV_GROUPS and USERV_GIDS environmental variables and allow local users to bypass some access restrictions.

Frequently asked questions

What is CVE-2000-0786?
GNU userv 1.0.0 and earlier does not properly perform file descriptor swapping, which can corrupt the USERV_GROUPS and USERV_GIDS environmental variables and allow local users to bypass some access restrictions.
How severe is CVE-2000-0786?
CVE-2000-0786 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2000-0786 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0786?
CVE-2000-0786 affects Gnu Userv. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-0786?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-0786 published?
CVE-2000-0786 was published on 2000-10-20 and last updated on 2026-06-16.

References

Affected products (1)