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cvelistGitHub_MCVELIST:CVE-2021-29451
HistoryApr 16, 2021 - 9:40 p.m.

CVE-2021-29451 Missing validation of JWT signature in `ManyDesigns/Portofino`

2021-04-1621:40:13
CWE-347
GitHub_M
www.cve.org
1
cve-2021-29451
manydesigns
portofino
web development framework
json web tokens
signature verification
security patch

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

AI Score

9.4

Confidence

High

EPSS

0.001

Percentile

48.9%

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.

CNA Affected

[
  {
    "product": "Portofino",
    "vendor": "ManyDesigns",
    "versions": [
      {
        "status": "affected",
        "version": ">= 5.0.0, < 5.2.1"
      }
    ]
  }
]

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

AI Score

9.4

Confidence

High

EPSS

0.001

Percentile

48.9%

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