Vulnerability in Isc Bind
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: 0.029 (85.6th 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 Bind
- Isc Bind9 — versions 9.14.0
- Netapp Steelstore_cloud_integrated_storage
- Synology Dns_server
- Canonical Ubuntu_linux — versions 16.04, 18.04, 20.04
- Opensuse Leap — versions 15.1, 15.2
Weakness classification (CWE)
References
- security-officer@isc.org (x_refsource_CONFIRM, Vendor Advisory)
- security-officer@isc.org (x_refsource_CONFIRM, Third Party Advisory)
- security-officer@isc.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security-officer@isc.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- security-officer@isc.org (x_refsource_CONFIRM, Third Party Advisory)
- security-officer@isc.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- security-officer@isc.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2020-8621?
- CVE-2020-8621 is a high-severity vulnerability in Isc Bind, classified under Reachable Assertion. 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.