Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-42787— Directory Traversal Write/Delete/Partial Read at AgentConfigurationServlet

Quick assessment

Affected
Aternity SteelCentral AppInternals Dynamic Sampling Agent
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.

Aternity SteelCentral AppInternals是美国Aternity公司的一个监控现代自动化解决方案。提供应用程序性能监控 (APM) 和诊断。 Aternity SteelCentral AppInternals Dynamic Sampling Agent(DSA) AgentConfigurationServlet存在安全漏洞，该漏洞允许注入恶意负载的用户输入的输入验证。

CVSS 9.4 · Critical EPSS 1.33% · P70
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-42787

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Directory Traversal Write/Delete/Partial Read at AgentConfigurationServlet
Source: CVE Program / CVE List V5
Vulnerability Description
It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent's (DSA) AgentConfigurationServlet has directory traversal vulnerabilities at the "/api/appInternals/1.0/agent/configuration" API. The affected endpoint does not have any input validation of the user's input that allows a malicious payload to be injected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Aternity SteelCentral AppInternals 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Aternity SteelCentral AppInternals是美国Aternity公司的一个监控现代自动化解决方案。提供应用程序性能监控 (APM) 和诊断。 Aternity SteelCentral AppInternals Dynamic Sampling Agent(DSA) AgentConfigurationServlet存在安全漏洞，该漏洞允许注入恶意负载的用户输入的输入验证。
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
Aternity SteelCentral AppInternals Dynamic Sampling Agent 10.x -

II. Public POCs for CVE-2021-42787

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-42787

请登录查看更多情报信息。

Other References for CVE-2021-42787 (1)

Same Patch Batch · Aternity · 2022-03-09 · 7 CVEs total

CVE-2021-42786 9.8 CRITICAL Remote Code Execution at AgentControllerServlet
CVE-2021-42854 9.8 CRITICAL Directory Traversal Read/Write/Delete at PluginServlet
CVE-2021-42853 9.1 CRITICAL Directory Traversal Delete/Read at AgentDiagnosticServlet
CVE-2021-42855 7.8 HIGH Local privilege escalation due to misconfigured write permission on .debug_command.config
CVE-2021-42857 5.3 MEDIUM Directory Traversal Partial Write at AgentDaServlet
CVE-2021-42856 4.7 MEDIUM Reflected Cross-site Scripting at DsaDataTest

IV. Related Vulnerabilities

Same product: SteelCentral AppInternals Dynamic Sampling Agent
Same vendor: Aternity
Same weakness: CWE-20

V. Comments for CVE-2021-42787

No comments yet

Leave a comment