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cve[email protected]CVE-2021-32631
HistoryJul 26, 2021 - 4:15 p.m.

CVE-2021-32631

2021-07-2616:15:07
CWE-290
web.nvd.nist.gov
20
cve-2021-32631
nimble services
common package
json web tokens
jwt forgery
authentication bypass
signature verification
commit patch

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

44.1%

Common is a package of common modules that can be accessed by NIMBLE services. Common before commit number 3b96cb0293d3443b870351945f41d7d55cb34b53 did not properly verify the signature of JSON Web Tokens. This allows someone to forge a valid JWT. Being able to forge JWTs may lead to authentication bypasses. Commit number 3b96cb0293d3443b870351945f41d7d55cb34b53 contains a patch for the issue. As a workaround, one may use the parseClaimsJws method to correctly verify the signature of a JWT.

Affected configurations

Vulners
NVD
Node
nimble-platformcommonRange<3b96cb0293d3443b870351945f41d7d55cb34b53

CNA Affected

[
  {
    "product": "common",
    "vendor": "nimble-platform",
    "versions": [
      {
        "status": "affected",
        "version": "< 3b96cb0293d3443b870351945f41d7d55cb34b53"
      }
    ]
  }
]

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

44.1%

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