CVE-2021-27306
Kong Gateway Authorized Access Bypass
Description
An improper access control vulnerability in the JWT plugin in Kong Gateway prior to 2.3.2.0 allows unauthenticated users access to authenticated routes without a valid token JWT.
INFO
Published Date :
March 18, 2021, 3:15 p.m.
Last Modified :
Nov. 7, 2023, 3:31 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-27306 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-27306.
| URL | Resource |
|---|---|
| https://docs.konghq.com/enterprise/changelog/#core-1 | Vendor Advisory |
| https://medium.com/%40sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3 |
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).
从美国国家漏洞库NVD获取某个特定版本软件的漏洞统计信息。
vulnerability nvd infomation-management
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-27306 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-27306 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 -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://medium.com/%40sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3 [No types assigned] Removed Reference MITRE https://medium.com/@sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3 -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-863 CWE-706 -
Initial Analysis by [email protected]
Mar. 24, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://docs.konghq.com/enterprise/changelog/#core-1 No Types Assigned https://docs.konghq.com/enterprise/changelog/#core-1 Vendor Advisory Changed Reference Type https://medium.com/@sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3 No Types Assigned https://medium.com/@sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3 Exploit, Patch, Third Party Advisory Added CWE NIST CWE-863 Added CPE Configuration OR *cpe:2.3:a:konghq:kong_gateway:*:*:*:*:enterprise:*:*:* versions up to (excluding) 2.3.2.0 -
CVE Modified by [email protected]
Mar. 19, 2021
Action Type Old Value New Value Changed Description An improper access control vulnerability in the JWT plugin in Kong Gateway prior to 2.3.0.0 allows unauthenticated users access to authenticated routes without a valid token JWT. An improper access control vulnerability in the JWT plugin in Kong Gateway prior to 2.3.2.0 allows unauthenticated users access to authenticated routes without a valid token JWT.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-27306 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-2021-27306
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.18 }} 0.02%
score
0.54745
percentile