# CVE-2020-8277: Node.js 14 and 2 others: Denial of Service (CWE-400)

CVE-2020-8277 is fixed in 10 products on 2 platforms, first by Node.js 14 14.15.1, released November 16, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-8277
- Priority: High
- CVSS: 7.5 (Moderate)
- EPSS: 0.5416
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 19, 2020
- Weakness: CWE-400: Denial of Service (CWE-400)
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-8277

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Node.js 12 | 12.20.0 | [Node.js 12 12.20.0](https://patchblox.com/security/data/fix/windows-app/openjs.nodejs.12-12.20.0.md) | Nov 24, 2020 |
| Windows apps | Node.js 14 | 14.15.1 | [Node.js 14 14.15.1](https://patchblox.com/security/data/fix/windows-app/openjs.nodejs.14-14.15.1.md) | Nov 16, 2020 |
| Windows apps | Node.js 15 | 15.2.1 | [Node.js 15 15.2.1](https://patchblox.com/security/data/fix/windows-app/openjs.nodejs.15-15.2.1.md) | Nov 16, 2020 |
| Linux | nodejs RHEL 8 | 1:14.15.4-2.module+el8.3.0+9635+ffdf8381 | [RHSA-2021:0551](https://patchblox.com/security/data/fix/linux/rhsa-2021-0551.md) | Feb 16, 2021 |
| Linux | nodejs ol 8 | 1:14.15.4-2.module+el8.3.0+9657+a08a905a | [ELSA-2021-0551](https://patchblox.com/security/data/fix/linux/elsa-2021-0551.md) | Feb 20, 2021 |
| Linux | nodejs-devel RHEL 8 | 1:14.15.4-2.module+el8.3.0+9635+ffdf8381 | [RHSA-2021:0551](https://patchblox.com/security/data/fix/linux/rhsa-2021-0551.md) | Feb 16, 2021 |
| Linux | nodejs-devel ol 8 | 1:14.15.4-2.module+el8.3.0+9657+a08a905a | [ELSA-2021-0551](https://patchblox.com/security/data/fix/linux/elsa-2021-0551.md) | Feb 20, 2021 |
| Linux | nodejs-docs RHEL 8 | 1:14.15.4-2.module+el8.3.0+9635+ffdf8381 | [RHSA-2021:0551](https://patchblox.com/security/data/fix/linux/rhsa-2021-0551.md) | Feb 16, 2021 |
| Linux | nodejs-docs ol 8 | 1:14.15.4-2.module+el8.3.0+9657+a08a905a | [ELSA-2021-0551](https://patchblox.com/security/data/fix/linux/elsa-2021-0551.md) | Feb 20, 2021 |
| Linux | nodejs-full-i18n RHEL 8 | 1:14.15.4-2.module+el8.3.0+9635+ffdf8381 | [RHSA-2021:0551](https://patchblox.com/security/data/fix/linux/rhsa-2021-0551.md) | Feb 16, 2021 |
| Linux | nodejs-full-i18n ol 8 | 1:14.15.4-2.module+el8.3.0+9657+a08a905a | [ELSA-2021-0551](https://patchblox.com/security/data/fix/linux/elsa-2021-0551.md) | Feb 20, 2021 |
| Linux | nodejs-nodemon RHEL 8 | 0:2.0.3-1.module+el8.3.0+6519+9f98ed83 | [RHSA-2021:0551](https://patchblox.com/security/data/fix/linux/rhsa-2021-0551.md) | Feb 16, 2021 |
| Linux | nodejs-nodemon ol 8 | 0:2.0.3-1.module+el8.3.0+7818+6cd30d85 | [ELSA-2021-0551](https://patchblox.com/security/data/fix/linux/elsa-2021-0551.md) | Feb 20, 2021 |
| Linux | nodejs-packaging RHEL 8 | 0:23-3.module+el8.3.0+6519+9f98ed83 | [RHSA-2021:0551](https://patchblox.com/security/data/fix/linux/rhsa-2021-0551.md) | Feb 16, 2021 |
| Linux | nodejs-packaging ol 8 | 0:23-3.module+el8.3.0+7818+6cd30d85 | [ELSA-2021-0551](https://patchblox.com/security/data/fix/linux/elsa-2021-0551.md) | Feb 20, 2021 |
| Linux | npm RHEL 8 | 1:6.14.10-1.14.15.4.2.module+el8.3.0+9635+ffdf8381 | [RHSA-2021:0551](https://patchblox.com/security/data/fix/linux/rhsa-2021-0551.md) | Feb 16, 2021 |
| Linux | npm ol 8 | 1:6.14.10-1.14.15.4.2.module+el8.3.0+9657+a08a905a | [ELSA-2021-0551](https://patchblox.com/security/data/fix/linux/elsa-2021-0551.md) | Feb 20, 2021 |

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