Vulnerability in Isc Bind9
CVE-2020-8621
In BIND 9.14.0 -> 9.16.5, 9.17.0 -> 9.17.3, If a server is configured with both QNAME minimization and 'forward first' then an attacker who can send queries to it may be able to trigger the condition that will cause the server to crash. Se…
EPSS: 0.049 (89.8th 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
- Isc Bind9 — versions 9.14.0
References
- kb.isc.org/docs/cve-2020-8621 (x_refsource_CONFIRM)
- security.netapp.com/advisory/ntap-20200827-0003/ (x_refsource_CONFIRM)
- USN-4468-1 (vendor-advisory, x_refsource_UBUNTU)
- GLSA-202008-19 (vendor-advisory, x_refsource_GENTOO)
- www.synology.com/security/advisory/Synology_SA_20_19 (x_refsource_CONFIRM)
- openSUSE-SU-2020:1699 (vendor-advisory, x_refsource_SUSE)
- openSUSE-SU-2020:1701 (vendor-advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2020-8621?
- CVE-2020-8621 is a high-severity vulnerability in Isc Bind9. CVSS score: 7.5/10. Published 2020-08-21.
- How severe is CVE-2020-8621?
- High severity. CVSS v3 base score is 7.5 out of 10.