CVE-2020-8277 (GCVE-0-2020-8277)
Vulnerability from cvelistv5 – Published: 2020-11-19 00:32 – Updated: 2025-04-30 22:24
VLAI
EPSS
VEX
Summary
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.
Severity
7.5 (High)
CWE
- CWE-400 - Denial of Service (CWE-400)
Assigner
References
13 references
| URL | Tags |
|---|---|
| https://hackerone.com/reports/1033107 | x_refsource_MISC |
| https://nodejs.org/en/blog/vulnerability/november… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.gentoo.org/glsa/202012-11 | vendor-advisoryx_refsource_GENTOO |
| https://security.gentoo.org/glsa/202101-07 | vendor-advisoryx_refsource_GENTOO |
| https://www.oracle.com/security-alerts/cpujan2021.html | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.oracle.com/security-alerts/cpuApr2021.html | x_refsource_MISC |
| https://www.oracle.com//security-alerts/cpujul2021.html | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpuoct2021.html | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpuapr2022.html | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| NodeJS | Node |
Affected:
4.0 , < 4.*
(semver)
Affected: 5.0 , < 5.* (semver) Affected: 6.0 , < 6.* (semver) Affected: 7.0 , < 7.* (semver) Affected: 8.0 , < 8.* (semver) Affected: 9.0 , < 9.* (semver) Affected: 11.0 , < 11.* (semver) Affected: 12.0 , < 12.19.1 (semver) Affected: 13.0 , < 13.* (semver) Affected: 14.0 , < 14.15.1 (semver) Affected: 15.0 , < 15.2.1 (semver) |
guessed |
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"references": "[{\"url\": \"https://hackerone.com/reports/1033107\", \"source\": \"support@hackerone.com\", \"tags\": [\"Permissions Required\", \"Third Party Advisory\"]}, {\"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/\", \"source\": \"support@hackerone.com\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://security.gentoo.org/glsa/202012-11\", \"source\": \"support@hackerone.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://security.gentoo.org/glsa/202101-07\", \"source\": \"support@hackerone.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com//security-alerts/cpujul2021.html\", \"source\": \"support@hackerone.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpuApr2021.html\", \"source\": \"support@hackerone.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpuapr2022.html\", \"source\": \"support@hackerone.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpujan2021.html\", \"source\": \"support@hackerone.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpuoct2021.html\", \"source\": \"support@hackerone.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://hackerone.com/reports/1033107\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Permissions Required\", \"Third Party Advisory\"]}, {\"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/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://security.gentoo.org/glsa/202012-11\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://security.gentoo.org/glsa/202101-07\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com//security-alerts/cpujul2021.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpuApr2021.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpuapr2022.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpujan2021.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpuoct2021.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}]",
"sourceIdentifier": "support@hackerone.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"support@hackerone.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-400\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-400\"}]}]"
},
"microsoft_vex": {
"current_release_date": "2021-03-09T00:00:00.000Z",
"cve": "CVE-2020-8277",
"id": "msrc_CVE-2020-8277",
"initial_release_date": "2020-11-02T00:00:00.000Z",
"product_status:fixed": "2",
"product_status:known_affected": "2",
"source": "Microsoft CSAF VEX",
"status": "final",
"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 \u003c 15.2.1 \u003c 14.15.1 and \u003c 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.",
"url": "https://msrc.microsoft.com/csaf/vex/2020/msrc_cve-2020-8277.json",
"version": "1"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2020-8277\",\"sourceIdentifier\":\"support@hackerone.com\",\"published\":\"2020-11-19T01:15:12.763\",\"lastModified\":\"2024-11-21T05:38:38.383\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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 \u003c 15.2.1, \u003c 14.15.1, and \u003c 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.\"},{\"lang\":\"es\",\"value\":\"Una aplicaci\u00f3n Node.js que permite a un atacante desencadenar una petici\u00f3n DNS para un host de su elecci\u00f3n podr\u00eda desencadenar una Denegaci\u00f3n de servicio en las versiones anteriores a 15.2.1, versiones anteriores a 14.15.1 y versiones anteriores a 12.19.1 al conseguir que la aplicaci\u00f3n resuelva un Registro DNS con un mayor n\u00famero de respuestas.\u0026#xa0;Esto es corregido en versiones 15.2.1, 14.15.1 y 12.19.1\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"support@hackerone.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*\",\"versionStartIncluding\":\"12.16.3\",\"versionEndExcluding\":\"12.19.1\",\"matchCriteriaId\":\"993C60FB-8308-4AFC-8394-95D8A976093A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*\",\"versionStartIncluding\":\"14.13.0\",\"versionEndExcluding\":\"14.15.1\",\"matchCriteriaId\":\"0452B6AC-1392-47E6-A0AE-0B44B59BEBDF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"15.0.0\",\"versionEndExcluding\":\"15.2.1\",\"matchCriteriaId\":\"BC7DAB03-EAA2-46E2-AE08-F5DBB8923C60\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"36D96259-24BD-44E2-96D9-78CE1D41F956\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E460AA51-FCDA-46B9-AE97-E6676AA5E194\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:blockchain_platform:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"21.1.2\",\"matchCriteriaId\":\"D0DBC938-A782-433F-8BF1-CA250C332AA7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:graalvm:19.3.4:*:*:*:enterprise:*:*:*\",\"matchCriteriaId\":\"937F66F5-F5BA-4156-82E0-EB2C99ABD41A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:graalvm:20.3.0:*:*:*:enterprise:*:*:*\",\"matchCriteriaId\":\"BC0F8B31-F93B-40B6-9C06-A3996DC63829\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"9.2.6.0\",\"matchCriteriaId\":\"86305E47-33E9-411C-B932-08C395C09982\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"8.0.23\",\"matchCriteriaId\":\"6757B2A9-0311-43DE-A057-F014767E0444\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:retail_xstore_point_of_service:16.0.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"490B2C44-CECD-4551-B04F-4076D0E053C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:retail_xstore_point_of_service:17.0.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEC41EB8-73B4-4BDF-9321-F34EC0BAF9E6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:retail_xstore_point_of_service:18.0.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"48EFC111-B01B-4C34-87E4-D6B2C40C0122\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:retail_xstore_point_of_service:19.0.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"073FEA23-E46A-4C73-9D29-95CFF4F5A59D\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:c-ares_project:c-ares:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.16.0\",\"matchCriteriaId\":\"15CA5F77-8F82-4973-92E5-CE914FBCC774\"}]}]}],\"references\":[{\"url\":\"https://hackerone.com/reports/1033107\",\"source\":\"support@hackerone.com\",\"tags\":[\"Permissions 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Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpuoct2021.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-28T07:32:07+00:00",
"cve": "CVE-2020-8277",
"id": "CVE-2020-8277",
"initial_release_date": "2020-11-12T00:00:00+00:00",
"product_status:fixed": "156",
"product_status:known_not_affected": "28",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "c-ares: ares_parse_{a,aaaa}_reply() insufficient naddrttls validation DoS",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-8277.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-08-31T02:27:48Z",
"cve": "CVE-2020-8277",
"id": "CVE-2020-8277",
"initial_release_date": "2023-02-15T04:01:22Z",
"product_status:known_affected": "339",
"product_status:known_not_affected": "236",
"product_status:recommended": "445",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2020-8277",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2020-8277.json",
"version": "48"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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