Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2020-27838

Quick assessment

Affected
n/a keycloak
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Red Hat Keycloak是美国红帽（Red Hat）公司的一套为现代应用和服务提供身份验证和管理功能的软件。 keycloak存在授权问题漏洞，该漏洞源于利用客户端注册API。

AI Predicted 7.5 Difficulty: Trivial EPSS 17.94% · P97

Public Exploits 1

Nuclei · 1 CVE-2020-27838.yaml [template]

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2020-27838

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authentication which could be an issue if the same PUBLIC client changed to CONFIDENTIAL later. The highest threat from this vulnerability is to data confidentiality.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Keycloak 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Keycloak是美国红帽（Red Hat）公司的一套为现代应用和服务提供身份验证和管理功能的软件。 keycloak存在授权问题漏洞，该漏洞源于利用客户端注册API。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Shenlong Deep Dive — AI Deep Analysis

10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.

Read summary Full analysis (login)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- keycloak keycloak 13.0.0 -

II. Public POCs for CVE-2020-27838

# POC Description Source Link Shenlong Link
1 CVE-2020-27838 - KeyCloak - Information Exposure https://github.com/Cappricio-Securities/CVE-2020-27838 POC Details
2 A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authentication which could be an issue if the same PUBLIC client changed to CONFIDENTIAL later. The highest threat from this vulnerability is to data confidentiality. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-27838.yaml POC Details
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2020-27838

请登录查看更多情报信息。

Vendor Advisories for CVE-2020-27838 (1)

Same Patch Batch · n/a · 2021-03-08 · 8 CVEs total

CVE-2021-23351 4.4 MEDIUM Denial of Service (DoS)
CVE-2021-26788 Oryx Embedded CycloneTCP 输入验证错误漏洞
CVE-2021-27222 Time in Status 跨站脚本漏洞
CVE-2020-23967 Dr.Web Security Space 数据伪造问题漏洞
CVE-2020-27574 Maxum Rumpus 跨站请求伪造漏洞
CVE-2020-27575 Maxum Rumpus 命令注入漏洞
CVE-2020-27576 Maxum Rumpus 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: keycloak
Same vendor: n/a
Same weakness: CWE-287

V. Comments for CVE-2020-27838

No comments yet

Leave a comment