CVE-2021-29451 (GCVE-0-2021-29451)

Vulnerability from cvelistv5 – Published: 2021-04-16 21:40 – Updated: 2024-08-03 22:02
VLAI?
Title
Missing validation of JWT signature in `ManyDesigns/Portofino`
Summary
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.
Severity ?
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-347 - {"CWE-347":"Improper Verification of Cryptographic Signature"}
Assigner
References
Impacted products
Vendor Product Version
ManyDesigns Portofino Affected: >= 5.0.0, < 5.2.1
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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.