CVE-2021-3480

Description

A flaw was found in slapi-nis in versions before 0.56.7. A NULL pointer dereference during the parsing of the Binding DN could allow an unauthenticated attacker to crash the 389-ds-base directory server. The highest threat from this vulnerability is to system availability.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.40% Top 20%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org
Affected: n/a slapi-nis
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1944640 issue tracking third party advisory patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MXMOMPTZTGOVFOZUUNXHOVCAYIPST74W/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GVQCDRQRFHXVR3Z3FQYM3UMC7QZUDDRJ/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-3480?
CVE-2021-3480 has been scored as a high severity vulnerability.
How to fix CVE-2021-3480?
To fix CVE-2021-3480, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3480 being actively exploited in the wild?
It is possible that CVE-2021-3480 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3480?
CVE-2021-3480 affects n/a slapi-nis.
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