The json-jwt rubygem version >= 0.5.0 && < 1.9.4 contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability in Decryption of AES-GCM encrypted JSON Web Tokens that can result in Attacker can forge a authentication tag. This attack appear to be exploitable via network connectivity. This vulnerability appears to have been fixed in 1.9.4 and later.
{ "nvd_published_at": null, "cwe_ids": [ "CWE-347" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2020-06-16T21:46:30Z" }