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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-27736

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

fusionauth fusionauth-samlv2是个人开发者的一个提供JAXB功能的JAVA库。该库主要可以处理SAML请求和回复，用于单点登录等场景。 FusionAuth fusionauth-samlv2 0.5.4之前版本存在安全漏洞，该漏洞允许通过伪造的AuthnRequest或LogoutRequest进行XXE攻击。

AI Predicted 7.5 Difficulty: Easy EPSS 1.28% · P67

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-27736

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
FusionAuth fusionauth-samlv2 before 0.5.4 allows XXE attacks via a forged AuthnRequest or LogoutRequest because parseFromBytes uses javax.xml.parsers.DocumentBuilderFactory unsafely.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
FusionAuth fusionauth-samlv2 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
fusionauth fusionauth-samlv2是个人开发者的一个提供JAXB功能的JAVA库。该库主要可以处理SAML请求和回复，用于单点登录等场景。 FusionAuth fusionauth-samlv2 0.5.4之前版本存在安全漏洞，该漏洞允许通过伪造的AuthnRequest或LogoutRequest进行XXE攻击。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2021-27736

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-27736

请登录查看更多情报信息。

Patches & Fixes for CVE-2021-27736 (1)

Other References for CVE-2021-27736 (2)

Same Patch Batch · n/a · 2021-04-22 · 24 CVEs total

CVE-2021-31545 MediaWiki 信息泄露漏洞
CVE-2021-3496 jhead 缓冲区错误漏洞
CVE-2021-31555 MediaWiki 输入验证错误漏洞
CVE-2021-31554 MediaWiki AbuseFilter extension 安全漏洞
CVE-2021-31553 MediaWiki 代码问题漏洞
CVE-2021-31552 MediaWiki AbuseFilter extension 安全漏洞
CVE-2021-31551 MediaWiki 跨站脚本漏洞
CVE-2021-31550 MediaWiki 跨站脚本漏洞
CVE-2021-31549 MediaWiki 信息泄露漏洞
CVE-2021-31548 MediaWiki AbuseFilter extension 安全漏洞
CVE-2021-31547 MediaWiki AbuseFilter extension 信息泄露漏洞
CVE-2021-31546 MediaWiki 信息泄露漏洞
CVE-2021-31597 Dan DeFelippi node-XMLHttpRequest 信任管理问题漏洞
CVE-2021-3287 Zoho ManageEngine OpManager 代码问题漏洞
CVE-2021-30476 HashiCorp Terraform 安全漏洞
CVE-2021-29653 HashiCorp Vault 信任管理问题漏洞
CVE-2021-27400 HashiCorp Vault 信任管理问题漏洞
CVE-2021-30356 Check Point Identity Agent 后置链接漏洞
CVE-2021-31571 亚马逊 Amazon FreeRTOS 输入验证错误漏洞
CVE-2021-31572 亚马逊 Amazon FreeRTOS 输入验证错误漏洞

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-27736

No comments yet

Leave a comment