CVE-2021-29451criticalCWE-347

CVE-2021-29451: critical vulnerability in ManyDesigns Portofino

Missing validation of JWT signature in `ManyDesigns/Portofino`

Published · Updated

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.1epss 0.9%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
ManyDesigns · Portofino
Related CVEs — ManyDesigns Portofino

In the same product, most dangerous first.