What’s Vulnerable › Vulnerabilities

CVE-2020-8277

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 54.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-19 · updated 2026-06-17
• Weakness: CWE-400

Description

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.

Affected products

• C-Ares Project C-Ares: before 1.16.0 — fixed in 1.16.0
• Fedoraproject Fedora: 32, 33
• Node.js: from 12.16.3 before 12.19.1; from 14.13.0 before 14.15.1; from 15.0.0 before 15.2.1 — fixed in 12.19.1, 14.15.1, 15.2.1
• Oracle Blockchain Platform: before 21.1.2 — fixed in 21.1.2
• Oracle Corporation GraalVM Enterprise Edition: 19.3.4, 20.3.0
• Oracle Corporation JD Edwards EnterpriseOne Tools: before 9.2.6.0 — fixed in 9.2.6.0
• Oracle Corporation MySQL Cluster: through 8.0.23
• Oracle Corporation Retail Xstore Point of Service: 16.0.6, 17.0.4, 18.0.3, 19.0.2

How to fix

Upgrade to a fixed version: C-Ares Project C-Ares 1.16.0; Node.js 12.19.1, 14.15.1, 15.2.1; Oracle Blockchain Platform 21.1.2; Oracle Corporation JD Edwards EnterpriseOne Tools 9.2.6.0. Check the vendor advisory for mitigations.

References

• https://hackerone.com/reports/1033107
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7WH7W46OZSEUHWBHD7TCH3LRFY52V6Z/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEJBY3RJB3XWUOJFGZM5E3EMQ7MFM3UT/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EEIV4CH6KNVZK63Y6EKVN2XDW7IHSJBJ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXLJY4764LYVJPC7NCDLE2UMQ3QC5OI2/
• https://nodejs.org/en/blog/vulnerability/november-2020-security-releases/
• https://security.gentoo.org/glsa/202012-11
• https://security.gentoo.org/glsa/202101-07
• https://www.oracle.com//security-alerts/cpujul2021.html
• https://www.oracle.com/security-alerts/cpuApr2021.html
• https://www.oracle.com/security-alerts/cpuapr2022.html
• https://www.oracle.com/security-alerts/cpujan2021.html

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