Vulnerability · Published Apr 16, 2021 · Assigned by GitHub_M

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

Critical 9.1

In plain English

A critical-severity security flaw in Portofino from ManyDesigns. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.9%top 38.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavencom.manydesigns:portofino-core5.2.1GHSA-6g3c-2mh5-7q6x
Mavencom.manydesigns:portofino-dispatcher5.2.1GHSA-6g3c-2mh5-7q6x

Affected products (as reported)

VendorProductVersions
ManyDesigns Portofino >= 5.0.0, < 5.2.1

Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References