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GitHub_MCVELIST:CVE-2021-32631

HistoryJul 26, 2021 - 3:20 p.m.

CVE-2021-32631 JSON Web Tokens not properly verified

2021-07-2615:20:11

CWE-290

GitHub_M

www.cve.org

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%

JSON

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.

CNA Affected

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

References

github.com/nimble-platform/common/commit/12197a755bd524559bf4e16475595a2c6fcd34db

github.com/nimble-platform/common/commit/3b96cb0293d3443b870351945f41d7d55cb34b53

github.com/nimble-platform/common/commit/a59ad46733912a5580530e39cac0e6ebc83cc563

github.com/nimble-platform/common/security/advisories/GHSA-fjq8-896w-pv28

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%

JSON

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