CVE-2020-26160: Vulnerability Analysis & Exploit Details

Status: Analyzed - Last modified: 21-07-2021 Published: 30-09-2020

CVE-2020-26160
Vulnerability Scoring

7.5
/10

Attack Complexity Details

  • Attack Complexity: Low Impact
  • Attack Vector: NETWORK
  • Privileges Required: None
  • Scope: UNCHANGED
  • User Interaction: NONE

CIA Impact Definition

  • Confidentiality: HIGH IMPACT
  • Integrity:
  • Availability:

CVE-2020-26160 Vulnerability Summary

jwt-go before 4.0.0-preview1 allows attackers to bypass intended access restrictions in situations with []string{} for m["aud"] (which is allowed by the specification). Because the type assertion fails, "" is the value of aud. This is a security problem if the JWT token is presented to a service that lacks its own audience check.

Access Complexity Graph for CVE-2020-26160

Impact Analysis for CVE-2020-26160

CVE-2020-26160: Detailed Information and External References

EPSS

0.00125

EPSS %

0.48112

References

0.00125

CWE

CWE-755

Vulnerable Configurations

  • cpe:2.3:a:jwt-go_project:jwt-go:-:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:-:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:1.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:1.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:1.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:1.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:1.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:1.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:2.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:2.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:2.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:2.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:2.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:2.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:2.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:2.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:2.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:2.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:2.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:2.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:2.6.0:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:2.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:2.7.0:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:2.7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:3.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:3.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:3.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:3.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jwt-go_project:jwt-go:3.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:jwt-go_project:jwt-go:3.2.0:*:*:*:*:*:*:*

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

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

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