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CVE-2020-13934

Quick assessment

Affected
n/a Apache Tomcat
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Tomcat是美国阿帕奇（Apache）基金会的一款轻量级Web应用服务器。该程序实现了对Servlet和JavaServer Page（JSP）的支持。 Apache Tomcat 10.0.0-M1版本至10.0.0-M6版本，9.0.0.M5版本至9.0.36版本和8.5.1版本至8.5.56中存在缓冲区错误漏洞。攻击者可借助大量请求利用该漏洞造成拒绝服务。

AI Predicted 5.3 Difficulty: Moderate EPSS 64.12% · P99

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a Apache Tomcat Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36, 8.5.1 to 8.5.56 affected
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I. Basic Information for CVE-2020-13934

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service.
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
Apache Tomcat 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Tomcat是美国阿帕奇（Apache）基金会的一款轻量级Web应用服务器。该程序实现了对Servlet和JavaServer Page（JSP）的支持。 Apache Tomcat 10.0.0-M1版本至10.0.0-M6版本，9.0.0.M5版本至9.0.36版本和8.5.1版本至8.5.56中存在缓冲区错误漏洞。攻击者可借助大量请求利用该漏洞造成拒绝服务。
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
- Apache Tomcat Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36, 8.5.1 to 8.5.56 -

II. Public POCs for CVE-2020-13934

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III. Intelligence Information for CVE-2020-13934

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Vendor Advisories for CVE-2020-13934 (8)

Mailing List Discussions for CVE-2020-13934 (5)

Same Patch Batch · n/a · 2020-07-14 · 26 CVEs total

CVE-2020-15719 OpenLDAP libldap 信任管理问题漏洞
CVE-2019-12773 Verint Impact 跨站脚本漏洞
CVE-2019-12784 Verint Impact 跨站请求伪造漏洞
CVE-2019-12783 Verint Impact 输入验证错误漏洞
CVE-2020-11546 SuperWebMailer 注入漏洞
CVE-2020-9297 Netflix Titus 注入漏洞
CVE-2020-13846 Singularity 安全漏洞
CVE-2020-15074 OpenVPN 代码问题漏洞
CVE-2020-13845 Sylabs Singularity 安全漏洞
CVE-2020-13847 Sylabs Singularity 安全漏洞
CVE-2020-11827 GOG Galaxy 安全漏洞
CVE-2020-13935 Apache Tomcat 安全漏洞
CVE-2020-15721 RosarioSIS 跨站脚本漏洞
CVE-2020-15711 MISP 跨站请求伪造漏洞
CVE-2020-15720 Dogtag PKI 信任管理问题漏洞
CVE-2020-1948 Apache Dubbo 代码问题漏洞
CVE-2020-13753 WebKitGTK和WPE WebKit 输入验证错误漏洞
CVE-2020-11956 Rittal PDU-3C002DEC和CMCIII-PU-9333E0FB 操作系统命令注入漏洞
CVE-2020-11955 Rittal PDU-3C002DEC和CMCIII-PU-9333E0FB 安全漏洞
CVE-2020-11953 Rittal PDU-3C002DEC和CMCIII-PU-9333E0FB 操作系统命令注入漏洞

Showing top 20 of 26 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Apache Tomcat
Same vendor: n/a

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