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CVE-2020-11991

Quick assessment

Affected
n/a Apache Cocoon
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.

StreamGenerator存在安全漏洞，攻击者可利用该漏洞访问服务器系统上的任何文件。

AI Predicted 9.8 Difficulty: Easy EPSS 72.46% · P99

Public Exploits 1

Nuclei · 1 CVE-2020-11991.yaml [template]

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2020-11991

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When using the StreamGenerator, the code parse a user-provided XML. A specially crafted XML, including external system entities, could be used to access any file on the server system.
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
StreamGenerator 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
StreamGenerator存在安全漏洞，攻击者可利用该漏洞访问服务器系统上的任何文件。
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

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Affected Products

Vendor Product Affected Versions CPE Subscribe
- Apache Cocoon Apache Cocoon 2.1.0 to 2.1.12 -

II. Public POCs for CVE-2020-11991

# POC Description Source Link Shenlong Link
1 Apache Cocoon 2.1.12 is susceptible to XML injection. When using the StreamGenerator, the code parses a user-provided XML. A specially crafted XML, including external system entities, can be used to access any file on the server system. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-11991.yaml POC Details
2 None https://github.com/Threekiii/Awesome-POC/blob/master/%E4%B8%AD%E9%97%B4%E4%BB%B6%E6%BC%8F%E6%B4%9E/Apache%20Cocoon%20XML%E6%B3%A8%E5%85%A5%20CVE-2020-11991.md POC Details
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III. Intelligence Information for CVE-2020-11991

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Mailing List Discussions for CVE-2020-11991 (1)

Same Patch Batch · n/a · 2020-09-11 · 34 CVEs total

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Showing top 20 of 34 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Apache Cocoon
Same vendor: n/a

V. Comments for CVE-2020-11991

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