Yarn before 1.17.3 is vulnerable to Missing Encryption of Sensitive Data due to HTTP URLs in lockfile causing unencrypted authentication data to be sent over the network.
https://yarnpkg.com/blog/2019/07/12/recommended-security-update/
https://hackerone.com/reports/640904
https://github.com/ChALkeR/notes/blob/master/Yarn-vuln.md
Source: Mitre, NVD
Published: 2019-07-30
Updated: 2021-11-03
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 8.1
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: High