What is CVE-2020-5263?

CVE-2020-5263 is a medium-severity vulnerability in Auth0 Auth0.js, classified under Insufficiently Protected Credentials. CVSS score: 5.5/10. Published 2020-04-09.

How severe is CVE-2020-5263?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Auth0 Auth0.js

CVE-2020-5263

auth0.js (NPM package auth0-js) greater than version 8.0.0 and before version 9.12.3 has a vulnerability. In the case of an (authentication) error, the error object returned by the library contains the original request of the user, which may include the plaintext password the user entered. If the error object is exposed or logged without modification, the application risks password exposure. This is fixed in version 9.12.3

EPSS: 0.009 (55.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N.

Affected products

Auth0 Auth0.js — versions >= 8.0.0, < 9.12.3

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-5263?: CVE-2020-5263 is a medium-severity vulnerability in Auth0 Auth0.js, classified under Insufficiently Protected Credentials. CVSS score: 5.5/10. Published 2020-04-09.
How severe is CVE-2020-5263?: Medium severity. CVSS v3 base score is 5.5 out of 10.