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CVE-2021-42840

Quick assessment

Affected
n/a n/a
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.

SuiteCRM是SuiteCRM（Suitecrm）团队的一个客户关系管理系统。 SuiteCRM 存在安全漏洞，该漏洞源于7.11.19之前的SuiteCRM允许通过系统设置日志文件名称设置远程执行代码。攻击者可利用该漏洞控制web根目录下的PHP文件，因为只有全小写的PHP文件扩展名被阻止。

AI Predicted 8.6 Difficulty: Moderate EPSS 58.95% · P99

Public Exploits 2

ExploitDB · 1 EDB-50531 [webapps]
Metasploit · 1 suitecrm_log_file_rce.rb#CVE-2021-42840 [exploit]
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I. Basic Information for CVE-2021-42840

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
SuiteCRM before 7.11.19 allows remote code execution via the system settings Log File Name setting. In certain circumstances involving admin account takeover, logger_file_name can refer to an attacker-controlled PHP file under the web root, because only the all-lowercase PHP file extensions were blocked. NOTE: this issue exists because of an incomplete fix for CVE-2020-28328.
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
SuiteCRM 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SuiteCRM是SuiteCRM（Suitecrm）团队的一个客户关系管理系统。 SuiteCRM 存在安全漏洞，该漏洞源于7.11.19之前的SuiteCRM允许通过系统设置日志文件名称设置远程执行代码。攻击者可利用该漏洞控制web根目录下的PHP文件，因为只有全小写的PHP文件扩展名被阻止。
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
- n/a n/a -

II. Public POCs for CVE-2021-42840

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-42840

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Patches & Fixes for CVE-2021-42840 (1)

Exploits & Public PoCs for CVE-2021-42840 (1)

Other References for CVE-2021-42840 (3)

Same Patch Batch · n/a · 2021-10-22 · 69 CVEs total

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CVE-2020-36501 Sugarcrm SugarCRM 跨站脚本漏洞
CVE-2020-36499 Tao Open Source Assessment Platform 跨站脚本漏洞
CVE-2020-36498 Zenar Content Management System 跨站脚本漏洞
CVE-2021-30359 Harmony Browse 代码问题漏洞
CVE-2020-36496 Desdev DedeCMS 跨站脚本漏洞
CVE-2020-36495 Desdev DedeCMS 跨站脚本漏洞
CVE-2020-36494 Desdev DedeCMS 跨站脚本漏洞
CVE-2020-36493 Desdev DedeCMS 跨站脚本漏洞
CVE-2020-36492 Desdev DedeCMS 跨站脚本漏洞
CVE-2020-36491 Desdev DedeCMS 跨站脚本漏洞
CVE-2020-36490 Desdev DedeCMS 跨站脚本漏洞
CVE-2020-36489 Dropouts Technologies LLP Air Share跨站脚本漏洞
CVE-2020-36488 Marlink Sky File 路径遍历漏洞

Showing top 20 of 69 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-42840

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