CVE-2021-29451 CRITICAL

CVE-2021-29451: Missing validation of JWT signature in `ManyDesigns/Portofino`

Vendor Manydesigns
Product Portofino
Weakness CWE-347
Published April 16, 2021
Last update August 3, 2024

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

Portofino is an open source web development framework. Portofino before version 5.2.1 did not properly verify the signature of JSON Web Tokens. This allows forging a valid JWT. The issue will be patched in the upcoming 5.2.1 release.

Key dates

02Disclosure timeline

April 16, 2021 CVE published
August 3, 2024 Record updated