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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-8621 Detail

Description

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.


Severity

 


CVSS 3.x Severity and Metrics:

NIST CVSS score matches with CNA score
CNA:  Internet Systems Consortium (ISC)
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


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: The NVD and the CNA have provided the same score. When this occurs only the CNA information is displayed, but the Acceptance Level icon for the CNA is given a checkmark to signify NVD concurrence.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html Mailing List  Third Party Advisory 
https://kb.isc.org/docs/cve-2020-8621 Vendor Advisory 
https://security.gentoo.org/glsa/202008-19 Third Party Advisory 
https://security.netapp.com/advisory/ntap-20200827-0003/ Third Party Advisory 
https://usn.ubuntu.com/4468-1/ Third Party Advisory 
https://www.synology.com/security/advisory/Synology_SA_20_19 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-617 Reachable Assertion cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

9 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-8621
NVD Published Date:
08/21/2020
NVD Last Modified:
04/28/2022
Source:
Internet Systems Consortium (ISC)