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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (59.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Manydesigns Portofino — versions >= 5.0.0, < 5.2.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ManyDesigns/Portofino/security/advisories/GHSA-6g3c-2mh5-7q6x (Third Party Advisory)
- github.com/ManyDesigns/Portofino/commit/8c754a0ad234555e813dcbf9e57d637f9f23d8fb (Patch, Third Party Advisory)
- mvnrepository.com/artifact/com.manydesigns/portofino (Third Party Advisory)
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.