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CVE-2021-29221

Quick assessment

Affected
Erlang Project Erlang/OTP
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.

erlang/otp是个人开发者的一个JavaScript编写的处理处理异常的库。该库可以捕捉node.js内置API引发的异常。 Erlang/OTP 23.2.3版本及之前版本存在安全漏洞，攻击者可利用该漏洞可以劫持运行Erlang程序的其他用户的帐户，或者强迫使用“erlsrv.exe”运行的服务作为本地系统执行任意代码。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.58% · P46
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I. Basic Information for CVE-2021-29221

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A local privilege escalation vulnerability was discovered in Erlang/OTP prior to version 23.2.3. By adding files to an existing installation's directory, a local attacker could hijack accounts of other users running Erlang programs or possibly coerce a service running with "erlsrv.exe" to execute arbitrary code as Local System. This can occur only under specific conditions on Windows with unsafe filesystem permissions.
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
Erlang/OTP 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
erlang/otp是个人开发者的一个JavaScript编写的处理处理异常的库。该库可以捕捉node.js内置API引发的异常。 Erlang/OTP 23.2.3版本及之前版本存在安全漏洞，攻击者可利用该漏洞可以劫持运行Erlang程序的其他用户的帐户，或者强迫使用“erlsrv.exe”运行的服务作为本地系统执行任意代码。
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
Erlang Project Erlang/OTP < 23.2.3 -

II. Public POCs for CVE-2021-29221

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III. Intelligence Information for CVE-2021-29221

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Other References for CVE-2021-29221 (2)

V. Comments for CVE-2021-29221

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