{"id":"CVE-2020-8277","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-8277","generatedAt":"2026-11-05T01:53:54.234Z","title":"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…","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.","published":"2020-11-19T01:15:13.000Z","lastModified":"2026-06-17T03:26:11.000Z","status":"Modified","sourceIdentifier":"support@hackerone.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-400"],"affected":["nodejs/node.js","fedoraproject/fedora","oracle/blockchain platform","oracle/graalvm","oracle/jd edwards enterpriseone tools","oracle/mysql cluster","oracle/retail xstore point of service","c-ares project/c-ares"],"epss":{"score":0.54164,"percentile":0.9901,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 54.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://hackerone.com/reports/1033107","tags":["Permissions Required","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7WH7W46OZSEUHWBHD7TCH3LRFY52V6Z/","source":"support@hackerone.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEJBY3RJB3XWUOJFGZM5E3EMQ7MFM3UT/","source":"support@hackerone.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EEIV4CH6KNVZK63Y6EKVN2XDW7IHSJBJ/","source":"support@hackerone.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXLJY4764LYVJPC7NCDLE2UMQ3QC5OI2/","source":"support@hackerone.com"},{"url":"https://nodejs.org/en/blog/vulnerability/november-2020-security-releases/","tags":["Patch","Vendor Advisory"],"source":"support@hackerone.com"},{"url":"https://security.gentoo.org/glsa/202012-11","tags":["Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://security.gentoo.org/glsa/202101-07","tags":["Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://www.oracle.com//security-alerts/cpujul2021.html","tags":["Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://www.oracle.com/security-alerts/cpuApr2021.html","tags":["Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","tags":["Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://www.oracle.com/security-alerts/cpujan2021.html","tags":["Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://www.oracle.com/security-alerts/cpuoct2021.html","tags":["Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://hackerone.com/reports/1033107","tags":["Permissions Required","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7WH7W46OZSEUHWBHD7TCH3LRFY52V6Z/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEJBY3RJB3XWUOJFGZM5E3EMQ7MFM3UT/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EEIV4CH6KNVZK63Y6EKVN2XDW7IHSJBJ/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXLJY4764LYVJPC7NCDLE2UMQ3QC5OI2/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://nodejs.org/en/blog/vulnerability/november-2020-security-releases/","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202012-11","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202101-07","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com//security-alerts/cpujul2021.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuApr2021.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujan2021.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuoct2021.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-8277","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}