CVE-2021-23365
"Tyk Identity Broker Authentication Bypass via XML Parser Vulnerability"
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).
INFO
Published Date :
April 26, 2021, 10:15 a.m.
Last Modified :
May 19, 2021, 1 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-23365.
| URL | Resource |
|---|---|
| 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-23365 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-23365 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
May. 19, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Changed Reference Type https://github.com/TykTechnologies/tyk-identity-broker/commit/243092965b0f93a95a14cb882b5b9a3df61dd5c0 No Types Assigned https://github.com/TykTechnologies/tyk-identity-broker/commit/243092965b0f93a95a14cb882b5b9a3df61dd5c0 Patch, Third Party Advisory Changed Reference Type https://github.com/TykTechnologies/tyk-identity-broker/commit/46f70420e0911e4e8b638575e29d394c227c75d0 No Types Assigned https://github.com/TykTechnologies/tyk-identity-broker/commit/46f70420e0911e4e8b638575e29d394c227c75d0 Patch, Third Party Advisory Changed Reference Type https://github.com/TykTechnologies/tyk-identity-broker/pull/147 No Types Assigned https://github.com/TykTechnologies/tyk-identity-broker/pull/147 Patch, Third Party Advisory Changed Reference Type https://github.com/TykTechnologies/tyk-identity-broker/releases/tag/v1.1.1 No Types Assigned https://github.com/TykTechnologies/tyk-identity-broker/releases/tag/v1.1.1 Release Notes, Third Party Advisory Changed Reference Type https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKIDENTITYBROKER-1089720 No Types Assigned https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKIDENTITYBROKER-1089720 Third Party Advisory Added CWE NIST CWE-287 Added CPE Configuration OR *cpe:2.3:a:tyk:tyk-identity-broker:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-23365 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-23365
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.01%
score
0.46592
percentile