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Vulnerability Details : CVE-2020-8277

A Node.js application that allows an attacker to trigger a DNS request for a host of their choice could trigger a Denial of Service in versions < 15.2.1, < 14.15.1, and < 12.19.1 by getting the application to resolve a DNS record with a larger number of responses. This is fixed in 15.2.1, 14.15.1, and 12.19.1.
Publish Date : 2020-11-19 Last Update Date : 2021-10-20
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 400

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:5499: nodejs:12 security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20205499 unix
RHSA-2021:0551: nodejs:14 security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20210551 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2020-8277

# Product Type Vendor Product Version Update Edition Language
1 Application C-ares Project C-ares * * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 32 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
4 Application Nodejs Node.js * * * * Version Details Vulnerabilities
5 Application Nodejs Node.js * * * * Version Details Vulnerabilities
6 Application Oracle Graalvm 19.3.4 * * * Version Details Vulnerabilities
7 Application Oracle Graalvm 20.3.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
C-ares Project C-ares 1
Fedoraproject Fedora 2
Nodejs Node.js 2
Oracle Graalvm 2

- References For CVE-2020-8277
N/A N/A[email protected]/message/A7WH7W46OZSEUHWBHD7TCH3LRFY52V6Z/
FEDORA FEDORA-2020-7473744de1[email protected]/message/BEJBY3RJB3XWUOJFGZM5E3EMQ7MFM3UT/
FEDORA FEDORA-2020-307e873389[email protected]/message/VXLJY4764LYVJPC7NCDLE2UMQ3QC5OI2/
FEDORA FEDORA-2021-afed2b904e
GENTOO GLSA-202101-07[email protected]/message/EEIV4CH6KNVZK63Y6EKVN2XDW7IHSJBJ/
FEDORA FEDORA-2021-ee913722db

- Metasploit Modules Related To CVE-2020-8277

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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