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CVE-2020-2102

Quick assessment

Affected
Jenkins project Jenkins
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.

CloudBees Jenkins（Hudson Labs）是美国CloudBees公司的一套基于Java开发的持续集成工具。该产品主要用于监控持续的软件版本发布/测试项目和一些定时执行的任务。LTS是CloudBeesJenkins的一个长期支持版本。 CloudBees Jenkins 2.218及之前版本和LTS 2.204.1及之前版本中存在安全漏洞，该漏洞源于程序验证HMAC时使用非恒定时间比较功能。攻击者可利用该漏洞获取敏感信息。

AI Predicted 7.5 Difficulty: Hard EPSS 1.40% · P71

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-2102

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Jenkins 2.218 and earlier, LTS 2.204.1 and earlier used a non-constant time comparison function when validating an HMAC.
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
CloudBees Jenkins 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CloudBees Jenkins（Hudson Labs）是美国CloudBees公司的一套基于Java开发的持续集成工具。该产品主要用于监控持续的软件版本发布/测试项目和一些定时执行的任务。LTS是CloudBeesJenkins的一个长期支持版本。 CloudBees Jenkins 2.218及之前版本和LTS 2.204.1及之前版本中存在安全漏洞，该漏洞源于程序验证HMAC时使用非恒定时间比较功能。攻击者可利用该漏洞获取敏感信息。
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
Jenkins project Jenkins unspecified ~ 2.218 -

II. Public POCs for CVE-2020-2102

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III. Intelligence Information for CVE-2020-2102

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Vendor Advisories for CVE-2020-2102 (5)

Mailing List Discussions for CVE-2020-2102 (1)

Same Patch Batch · Jenkins project · 2020-01-29 · 10 CVEs total

CVE-2020-2107 CloudBees Jenkins Fortify 安全漏洞
CVE-2020-2108 CloudBees Jenkins 代码问题漏洞
CVE-2020-2105 CloudBees Jenkins 安全漏洞
CVE-2020-2106 CloudBees Jenkins Code Coverage API Plugin 跨站脚本漏洞
CVE-2020-2103 CloudBees Jenkins 信息泄露漏洞
CVE-2020-2104 CloudBees Jenkins 信息泄露漏洞
CVE-2020-2100 CloudBees Jenkins 安全漏洞
CVE-2020-2101 CloudBees Jenkins 安全漏洞
CVE-2020-2099 CloudBees Jenkins 安全特征问题漏洞

IV. Related Vulnerabilities

Same product: Jenkins
Same vendor: Jenkins project

V. Comments for CVE-2020-2102

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