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CVE-2020-9491

Quick assessment

Affected
n/a Apache NiFi
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.

Apache NiFi是美国阿帕奇（Apache）软件基金会的一套数据处理和分发系统。该系统主要用于数据路由、转换和系统中介逻辑。 Apache NiFi 1.2.0版本至1.11.4版本存在加密问题漏洞。该漏洞源于网络系统或产品未正确使用相关密码算法，导致内容未正确加密、弱加密、明文存储敏感信息等。

AI Predicted 7.5 Difficulty: Moderate EPSS 2.87% · P86

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2020-9491

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Apache NiFi 1.2.0 to 1.11.4, the NiFi UI and API were protected by mandating TLS v1.2, as well as listening connections established by processors like ListenHTTP, HandleHttpRequest, etc. However intracluster communication such as cluster request replication, Site-to-Site, and load balanced queues continued to support TLS v1.0 or v1.1.
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 NiFi 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache NiFi是美国阿帕奇（Apache）软件基金会的一套数据处理和分发系统。该系统主要用于数据路由、转换和系统中介逻辑。 Apache NiFi 1.2.0版本至1.11.4版本存在加密问题漏洞。该漏洞源于网络系统或产品未正确使用相关密码算法，导致内容未正确加密、弱加密、明文存储敏感信息等。
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 NiFi Apache NiFi 1.2.0 to 1.11.4 -

II. Public POCs for CVE-2020-9491

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III. Intelligence Information for CVE-2020-9491

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Mailing List Discussions for CVE-2020-9491 (2)

Other References for CVE-2020-9491 (1)

Same Patch Batch · n/a · 2020-10-01 · 22 CVEs total

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CVE-2020-13940 Apache NiFi 代码问题漏洞
CVE-2020-14223 HCL Digital Experience 跨站脚本漏洞
CVE-2020-5784 Teltonika firmware 代码问题漏洞
CVE-2020-5789 Teltonika firmware 路径遍历漏洞
CVE-2020-5786 Teltonika firmware 跨站请求伪造漏洞
CVE-2020-5785 Teltonika firmware 跨站脚本漏洞
CVE-2020-5787 Teltonika firmware 路径遍历漏洞
CVE-2020-5788 Teltonika firmware 路径遍历漏洞
CVE-2020-9486 Apache NiFi 日志信息泄露漏洞

Showing top 20 of 22 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Apache NiFi
Same vendor: n/a

V. Comments for CVE-2020-9491

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