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Vulnerabilities
Vulnerable Software

Vulnerability Details 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. Servers that 'forward only' are not affected.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.02
EPSS Ranking 82.6%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 4.3
Products affected by CVE-2020-8621
  • Isc » Bind » Version: 9.14.0
    cpe:2.3:a:isc:bind:9.14.0
  • Isc » Bind » Version: 9.14.1
    cpe:2.3:a:isc:bind:9.14.1
  • Isc » Bind » Version: 9.14.11
    cpe:2.3:a:isc:bind:9.14.11
  • Isc » Bind » Version: 9.14.12
    cpe:2.3:a:isc:bind:9.14.12
  • Isc » Bind » Version: 9.14.2
    cpe:2.3:a:isc:bind:9.14.2
  • Isc » Bind » Version: 9.14.3
    cpe:2.3:a:isc:bind:9.14.3
  • Isc » Bind » Version: 9.14.4
    cpe:2.3:a:isc:bind:9.14.4
  • Isc » Bind » Version: 9.14.5
    cpe:2.3:a:isc:bind:9.14.5
  • Isc » Bind » Version: 9.14.6
    cpe:2.3:a:isc:bind:9.14.6
  • Isc » Bind » Version: 9.14.7
    cpe:2.3:a:isc:bind:9.14.7
  • Isc » Bind » Version: 9.14.8
    cpe:2.3:a:isc:bind:9.14.8
  • Isc » Bind » Version: 9.14.9
    cpe:2.3:a:isc:bind:9.14.9
  • Isc » Bind » Version: 9.15.0
    cpe:2.3:a:isc:bind:9.15.0
  • Isc » Bind » Version: 9.15.1
    cpe:2.3:a:isc:bind:9.15.1
  • Isc » Bind » Version: 9.15.2
    cpe:2.3:a:isc:bind:9.15.2
  • Isc » Bind » Version: 9.15.3
    cpe:2.3:a:isc:bind:9.15.3
  • Isc » Bind » Version: 9.15.4
    cpe:2.3:a:isc:bind:9.15.4
  • Isc » Bind » Version: 9.15.5
    cpe:2.3:a:isc:bind:9.15.5
  • Isc » Bind » Version: 9.15.6
    cpe:2.3:a:isc:bind:9.15.6
  • Isc » Bind » Version: 9.16.0
    cpe:2.3:a:isc:bind:9.16.0
  • Isc » Bind » Version: 9.16.1
    cpe:2.3:a:isc:bind:9.16.1
  • Isc » Bind » Version: 9.16.2
    cpe:2.3:a:isc:bind:9.16.2
  • Isc » Bind » Version: 9.16.3
    cpe:2.3:a:isc:bind:9.16.3
  • Isc » Bind » Version: 9.16.4
    cpe:2.3:a:isc:bind:9.16.4
  • Isc » Bind » Version: 9.16.5
    cpe:2.3:a:isc:bind:9.16.5
  • Isc » Bind » Version: 9.17.0
    cpe:2.3:a:isc:bind:9.17.0
  • Isc » Bind » Version: 9.17.1
    cpe:2.3:a:isc:bind:9.17.1
  • Isc » Bind » Version: 9.17.2
    cpe:2.3:a:isc:bind:9.17.2
  • Isc » Bind » Version: 9.17.3
    cpe:2.3:a:isc:bind:9.17.3
  • cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-
  • Synology » Dns Server » Version: N/A
    cpe:2.3:a:synology:dns_server:-
  • Synology » Dns Server » Version: 1.0-0017
    cpe:2.3:a:synology:dns_server:1.0-0017
  • Synology » Dns Server » Version: 1.0-0019
    cpe:2.3:a:synology:dns_server:1.0-0019
  • Synology » Dns Server » Version: 1.0-0027
    cpe:2.3:a:synology:dns_server:1.0-0027
  • Synology » Dns Server » Version: 1.0-0028
    cpe:2.3:a:synology:dns_server:1.0-0028
  • Synology » Dns Server » Version: 1.1-0052
    cpe:2.3:a:synology:dns_server:1.1-0052
  • Synology » Dns Server » Version: 1.1-0053
    cpe:2.3:a:synology:dns_server:1.1-0053
  • Synology » Dns Server » Version: 1.1-0058
    cpe:2.3:a:synology:dns_server:1.1-0058
  • Synology » Dns Server » Version: 1.1-0059
    cpe:2.3:a:synology:dns_server:1.1-0059
  • Synology » Dns Server » Version: 1.1-0064
    cpe:2.3:a:synology:dns_server:1.1-0064
  • Synology » Dns Server » Version: 1.1-0066
    cpe:2.3:a:synology:dns_server:1.1-0066
  • Synology » Dns Server » Version: 1.1-0068
    cpe:2.3:a:synology:dns_server:1.1-0068
  • Synology » Dns Server » Version: 1.1-0070
    cpe:2.3:a:synology:dns_server:1.1-0070
  • Synology » Dns Server » Version: 1.1-0075
    cpe:2.3:a:synology:dns_server:1.1-0075
  • Synology » Dns Server » Version: 1.1-0077
    cpe:2.3:a:synology:dns_server:1.1-0077
  • Synology » Dns Server » Version: 1.1-0080
    cpe:2.3:a:synology:dns_server:1.1-0080
  • Synology » Dns Server » Version: 1.1-0083
    cpe:2.3:a:synology:dns_server:1.1-0083
  • Synology » Dns Server » Version: 1.1-0084
    cpe:2.3:a:synology:dns_server:1.1-0084
  • Synology » Dns Server » Version: 1.1-0088
    cpe:2.3:a:synology:dns_server:1.1-0088
  • Synology » Dns Server » Version: 1.1-0090
    cpe:2.3:a:synology:dns_server:1.1-0090
  • Synology » Dns Server » Version: 1.1-0091
    cpe:2.3:a:synology:dns_server:1.1-0091
  • Synology » Dns Server » Version: 1.1-0093
    cpe:2.3:a:synology:dns_server:1.1-0093
  • Synology » Dns Server » Version: 1.1-0094
    cpe:2.3:a:synology:dns_server:1.1-0094
  • Synology » Dns Server » Version: 1.1-0113
    cpe:2.3:a:synology:dns_server:1.1-0113
  • Synology » Dns Server » Version: 1.1-0119
    cpe:2.3:a:synology:dns_server:1.1-0119
  • Synology » Dns Server » Version: 1.1-0123
    cpe:2.3:a:synology:dns_server:1.1-0123
  • Synology » Dns Server » Version: 1.1-0124
    cpe:2.3:a:synology:dns_server:1.1-0124
  • Synology » Dns Server » Version: 1.1-0301
    cpe:2.3:a:synology:dns_server:1.1-0301
  • Synology » Dns Server » Version: 1.1-0302
    cpe:2.3:a:synology:dns_server:1.1-0302
  • Synology » Dns Server » Version: 1.1-0304
    cpe:2.3:a:synology:dns_server:1.1-0304
  • Synology » Dns Server » Version: 1.1-0307
    cpe:2.3:a:synology:dns_server:1.1-0307
  • Synology » Dns Server » Version: 1.2-1002
    cpe:2.3:a:synology:dns_server:1.2-1002
  • Synology » Dns Server » Version: 1.2.0-0129
    cpe:2.3:a:synology:dns_server:1.2.0-0129
  • Synology » Dns Server » Version: 1.2.0-0130
    cpe:2.3:a:synology:dns_server:1.2.0-0130
  • Synology » Dns Server » Version: 2.2.0-3032
    cpe:2.3:a:synology:dns_server:2.2.0-3032
  • Synology » Dns Server » Version: 2.2.1-3042
    cpe:2.3:a:synology:dns_server:2.2.1-3042
  • Synology » Dns Server » Version: 2.2.1-3050
    cpe:2.3:a:synology:dns_server:2.2.1-3050
  • Synology » Dns Server » Version: 2.2.1-3051
    cpe:2.3:a:synology:dns_server:2.2.1-3051
  • Synology » Dns Server » Version: 2.2.1-3062
    cpe:2.3:a:synology:dns_server:2.2.1-3062
  • Synology » Dns Server » Version: 2.2.1-3079
    cpe:2.3:a:synology:dns_server:2.2.1-3079
  • Synology » Dns Server » Version: 2.2.1-5009
    cpe:2.3:a:synology:dns_server:2.2.1-5009
  • Synology » Dns Server » Version: 2.2.1-5010
    cpe:2.3:a:synology:dns_server:2.2.1-5010
  • Synology » Dns Server » Version: 2.2.1-5012
    cpe:2.3:a:synology:dns_server:2.2.1-5012
  • Synology » Dns Server » Version: 2.2.1-5014
    cpe:2.3:a:synology:dns_server:2.2.1-5014
  • Canonical » Ubuntu Linux » Version: 16.04
    cpe:2.3:o:canonical:ubuntu_linux:16.04
  • Canonical » Ubuntu Linux » Version: 18.04
    cpe:2.3:o:canonical:ubuntu_linux:18.04
  • Canonical » Ubuntu Linux » Version: 20.04
    cpe:2.3:o:canonical:ubuntu_linux:20.04
  • Opensuse » Leap » Version: 15.1
    cpe:2.3:o:opensuse:leap:15.1
  • Opensuse » Leap » Version: 15.2
    cpe:2.3:o:opensuse:leap:15.2


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