CVEvulnerability
CVE-2021-23365
9.1 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-04-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.8 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- CVSS 3.1 ([email protected])
- 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:N
- Weaknesses
- CWE-287
Description
The package github.com/tyktechnologies/tyk-identity-broker before 1.1.1 are vulnerable to Authentication Bypass via the Go XML parser which can cause SAML authentication bypass. This is because the XML parser doesn’t guarantee integrity in the XML round-trip (encoding/decoding XML data).
Affected configurations
• tyk tyk-identity-broker (< 1.1.1)
Related
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- https://github.com/TykTechnologies/tyk-identity-broker/commit/243092965b0f93a95a14cb882b5b9a3df61dd5c0 Patch, Third Party Advisory
- https://github.com/TykTechnologies/tyk-identity-broker/commit/46f70420e0911e4e8b638575e29d394c227c75d0 Patch, Third Party Advisory
- https://github.com/TykTechnologies/tyk-identity-broker/pull/147 Patch, Third Party Advisory
- https://github.com/TykTechnologies/tyk-identity-broker/releases/tag/v1.1.1 Release Notes, Third Party Advisory
- https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKIDENTITYBROKER-1089720 Third Party Advisory
- https://github.com/TykTechnologies/tyk-identity-broker/commit/243092965b0f93a95a14cb882b5b9a3df61dd5c0 Patch, Third Party Advisory
- https://github.com/TykTechnologies/tyk-identity-broker/commit/46f70420e0911e4e8b638575e29d394c227c75d0 Patch, Third Party Advisory
- https://github.com/TykTechnologies/tyk-identity-broker/pull/147 Patch, Third Party Advisory
- https://github.com/TykTechnologies/tyk-identity-broker/releases/tag/v1.1.1 Release Notes, Third Party Advisory
- https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKIDENTITYBROKER-1089720 Third Party Advisory