Detections
Analytics

CVE-2021-29451

critical

Description

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.

References

https://mvnrepository.com/artifact/com.manydesigns/portofino

https://github.com/ManyDesigns/Portofino/security/advisories/GHSA-6g3c-2mh5-7q6x

https://github.com/ManyDesigns/Portofino/commit/8c754a0ad234555e813dcbf9e57d637f9f23d8fb

Details

Source: Mitre, NVD

Published: 2021-04-16

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

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

Severity: Critical

EPSS

EPSS: 0.002