CVE-2021-29451
CRITICALPortofino 5.0.0-5.2.0 - Improper Verification of Cryptographic Signature in JWT
Title source: llmDescription
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 (3)
Core 3
Core References
Third Party Advisory x_refsource_confirm
https://github.com/ManyDesigns/Portofino/security/advisories/GHSA-6g3c-2mh5-7q6x
Patch, Third Party Advisory x_refsource_misc
https://github.com/ManyDesigns/Portofino/commit/8c754a0ad234555e813dcbf9e57d637f9f23d8fb
Third Party Advisory x_refsource_misc
https://mvnrepository.com/artifact/com.manydesigns/portofino
Scores
CVSS v3
9.1
EPSS
0.0095
EPSS Percentile
56.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Details
CWE
CWE-347
Status
published
Products (3)
com.manydesigns/portofino-core
5.0.0 - 5.2.1Maven
com.manydesigns/portofino-dispatcher
5.0.0 - 5.2.1Maven
manydesigns/portofino
5.0.0 - 5.2.1
Published
Apr 16, 2021
Tracked Since
Feb 18, 2026