What is CVE-2019-18848?

CVE-2019-18848 is a high-severity vulnerability in Json-Jwt Project, classified under Improper Authentication. CVSS score: 7.5/10. Published 2019-11-12.

How severe is CVE-2019-18848?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Json-Jwt Project

CVE-2019-18848

The json-jwt gem before 1.11.0 for Ruby lacks an element count during the splitting of a JWE string.

Vulnerability class: Broken Authentication

EPSS: 0.013 (66.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Json-jwt_project Json-jwt
Debian Debian_linux — versions 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (Patch, x_refsource_MISC)
cve@mitre.org (Patch, x_refsource_MISC)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2019-18848?: CVE-2019-18848 is a high-severity vulnerability in Json-Jwt Project, classified under Improper Authentication. CVSS score: 7.5/10. Published 2019-11-12.
How severe is CVE-2019-18848?: High severity. CVSS v3 base score is 7.5 out of 10.