Executive Summary

Informations
Name CVE-2021-23365 First vendor Publication 2021-04-26
Vendor Cve Last vendor Modification 2021-05-19

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Overall CVSS Score 9.1
Base Score 9.1 Environmental Score 9.1
impact SubScore 5.2 Temporal Score 9.1
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:P/I:P/A:N)
Cvss Base Score 5.5 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

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).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23365

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-287 Improper Authentication

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Sources (Detail)

Source Url
CONFIRM https://github.com/TykTechnologies/tyk-identity-broker/commit/243092965b0f93a...
https://github.com/TykTechnologies/tyk-identity-broker/commit/46f70420e0911e4...
https://github.com/TykTechnologies/tyk-identity-broker/pull/147
https://github.com/TykTechnologies/tyk-identity-broker/releases/tag/v1.1.1
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKIDENTITYBROKER-10...

Alert History

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0
1
Date Informations
2021-05-19 17:22:58
  • Multiple Updates
2021-04-26 17:22:50
  • First insertion