Vulnerability in Manydesigns Portofino
CVE-2021-29451
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.
EPSS: 0.009 (57.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Manydesigns Portofino — versions >= 5.0.0, < 5.2.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-29451?
- CVE-2021-29451 is a critical-severity vulnerability in Manydesigns Portofino, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.1/10. Published 2021-04-16.
- How severe is CVE-2021-29451?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2021-29451 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.