What is CVE-2020-10772?

CVE-2020-10772 is a high-severity vulnerability in Nlnetlabs Unbound, classified under CWE-406. CVSS score: 7.5/10. Published 2020-11-27.

How severe is CVE-2020-10772?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Nlnetlabs Unbound

CVE-2020-10772

An incomplete fix for CVE-2020-12662 was shipped for Unbound in Red Hat Enterprise Linux 7, as part of erratum RHSA-2020:2414. Vulnerable versions of Unbound could still amplify an incoming query into a large number of queries directed to a target, even with a lower amplification ratio compared to versions of Unbound that shipped before the mentioned erratum. This issue is about the incomplete fix for CVE-2020-12662, and it does not affect upstream versions of Unbound.

EPSS: 0.013 (69.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Nlnetlabs Unbound — versions 1.6.6-5
Redhat Enterprise_linux — versions 7.0
N/a Unbound — versions unbound-1.6.6-5.el7_8

Weakness classification (CWE)

References

secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2020-10772?: CVE-2020-10772 is a high-severity vulnerability in Nlnetlabs Unbound, classified under CWE-406. CVSS score: 7.5/10. Published 2020-11-27.
How severe is CVE-2020-10772?: High severity. CVSS v3 base score is 7.5 out of 10.