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CVE-2021-3537

Quick assessment

Affected
n/a libxml2
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.

libxml2是开源的一个用来解析XML文档的函数库。它用C语言写成，并且能为多种语言所调用，例如C语言，C++，XSH。 libxml2 存在代码问题漏洞，攻击者可利用该漏洞使应用程序崩溃。

AI Predicted 5.3 Difficulty: Moderate EPSS 3.50% · P89

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-3537

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
libxml2 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libxml2是开源的一个用来解析XML文档的函数库。它用C语言写成，并且能为多种语言所调用，例如C语言，C++，XSH。 libxml2 存在代码问题漏洞，攻击者可利用该漏洞使应用程序崩溃。
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
- libxml2 libxml2 2.9.11 -

II. Public POCs for CVE-2021-3537

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III. Intelligence Information for CVE-2021-3537

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Vendor Advisories for CVE-2021-3537 (6)

Mailing List Discussions for CVE-2021-3537 (3)

Same Patch Batch · n/a · 2021-05-14 · 28 CVEs total

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CVE-2021-32051 Hexagon Intergraph G!NIUS SQL注入漏洞
CVE-2021-31922 Pulse Secure Virtual Traffic Manager 环境问题漏洞
CVE-2021-30183 Octopus Server 安全漏洞
CVE-2020-27020 Kaspersky Password Manager 加密问题漏洞
CVE-2020-27149 MOXA NPort IA5150A 访问控制错误漏洞
CVE-2020-27150 MOXA NPort IA5150A Series 安全漏洞
CVE-2020-27184 MOXA Moxa NPort IA5150A Series 加密问题漏洞
CVE-2020-27185 MOXA NPort IA5150A Series 安全漏洞
CVE-2021-32613 radare2 资源管理错误漏洞
CVE-2020-18166 LAOBANCMS 代码问题漏洞
CVE-2020-18167 LAOBANCMS 跨站脚本漏洞
CVE-2021-25943 101 安全漏洞
CVE-2020-16632 DedeCMS 跨站脚本漏洞
CVE-2020-23689 YFCMF 跨站脚本漏洞
CVE-2020-23691 YFCMF 安全漏洞
CVE-2020-17891 Tp-link TP-Link Archer C1200 跨站脚本漏洞
CVE-2021-3402 YARA 输入验证错误漏洞
CVE-2020-27833 Red Hat Openshift-client 输入验证错误漏洞

Showing top 20 of 28 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: libxml2
Same vendor: n/a
Same weakness: CWE-476

V. Comments for CVE-2021-3537

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