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CVE-2021-4213

Quick assessment

Affected
n/a JSS
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.

ruby-jss是一个用于与JAMF软件服务器（JSS）的REST API进行交互的Ruby框架。 Linux jss存在安全漏洞，该漏洞源于软件TLS连接中存在内存泄露导致对象序列化问题。

AI Predicted 5.3 Difficulty: Easy EPSS 1.63% · P75

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-4213

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. This flaw allows an attacker to force the invocation of an out-of-memory process, causing a denial of service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
Source: CVE Program / CVE List V5
Vulnerability Title
Linux jss 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ruby-jss是一个用于与JAMF软件服务器（JSS）的REST API进行交互的Ruby框架。 Linux jss存在安全漏洞，该漏洞源于软件TLS连接中存在内存泄露导致对象序列化问题。
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
- JSS Fixed in v5.2.0-beta1 -

II. Public POCs for CVE-2021-4213

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III. Intelligence Information for CVE-2021-4213

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Patches & Fixes for CVE-2021-4213 (2)

Vendor Advisories for CVE-2021-4213 (3)

Same Patch Batch · n/a · 2022-08-24 · 40 CVEs total

CVE-2022-25903 7.5 HIGH Denial of Service (DoS)
CVE-2022-24375 7.5 HIGH Denial of Service (DoS)
CVE-2021-39815 Google Android 资源管理错误漏洞
CVE-2021-0946 Google Android 缓冲区错误漏洞
CVE-2022-20122 Google Android 资源管理错误漏洞
CVE-2021-4178 Kubernetes 代码问题漏洞
CVE-2021-4209 GnuTLS 代码问题漏洞
CVE-2021-4218 Linux kernel 安全漏洞
CVE-2021-4217 Info-ZIP UnZip 代码问题漏洞
CVE-2021-4122 cryptsetup 数据伪造问题漏洞
CVE-2021-4125 Red Hat OpenShift 代码问题漏洞
CVE-2021-4142 Red Hat Satellite 授权问题漏洞
CVE-2021-4155 Red Hat Enterprise Linux 权限许可和访问控制问题漏洞
CVE-2021-4158 QEMU 代码问题漏洞
CVE-2021-4159 Linux kernel 安全漏洞
CVE-2021-4041 Ansible-Runner 操作系统命令注入漏洞
CVE-2021-4040 Red Hat AMQ Broker 缓冲区错误漏洞
CVE-2022-37181 72crm 代码问题漏洞
CVE-2022-37178 72crm SQL注入漏洞
CVE-2018-14520 Kirby 跨站脚本漏洞

Showing top 20 of 40 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: JSS
Same vendor: n/a
Same weakness: CWE-401

V. Comments for CVE-2021-4213

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