CVE-2021-29451 is a critical vulnerability affecting Portofino, an open-source web development framework, specifically versions prior to 5.2.1. This flaw, categorized as CWE-347 (Improper Verification of Cryptographic Signature), allows an unauthenticated attacker to forge valid JSON Web Tokens (JWTs) due to insufficient signature verification. With a CVSS score of 9.1 (CRITICAL), the vulnerability is easily exploitable over the network with low attack complexity, potentially leading to high impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.0.0, < 5.2.1CPE matchmatch criteria | cpe:2.3:a:manydesigns:portofino:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.