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TI-2018-05020 Aliases CVE-2018-6873GHSA-mc68-wpcg-f86r

The Auth0 authentication service before 2017-10-15 allows privilege escalation because…

Priority MEDIUM 46CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

The Auth0 authentication service before 2017-10-15 allows privilege escalation because the JWT audience is not validated.

Why it matters now

EPSS 0.02228 82nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:auth0:auth0.js:*:*:*:*:*:*:*:*up to 8.10.1Vulnerableauth0
  • cpe:2.3:a:auth0:auth0.js:*:*:*:*:*:*:*:* Versions up to 8.10.1 Vulnerable ·auth0

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-6873
  2. 2026-10-03 Alias added: GHSA-mc68-wpcg-f86r

References

Advisory 1

  • TI-2018-05300 The Auth0 Auth0.js library before 9.3 has CSRF because it mishandles the case where the… CVSS 3.0HIGH 8.8
  • TI-2018-05021 CSRF exists in the Auth0 authentication service through 14591 if the Legacy Lock API flag is enabled. CVSS 3.0HIGH 8.8
  • TI-2020-11898 Authorization header is not sanitized in an error object in auth0 CVSS 3.1HIGH 7.7
  • TI-2017-12531 A cross-origin vulnerability has been discovered in the Auth0 auth0.js library affecting… CVSS 3.0HIGH 7.5
  • TI-2026-30591 Improper Permission Checking in Auth.js SDK CVSS 3.1HIGH 7.1
  • TI-2020-04319 Information disclosure through error object CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences