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CVE-2021-38955

Quick assessment

Affected
IBM VIOS
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.

IBM AIX是美国IBM公司的一款为 IBM Power 体系架构开发的一种基于开放标准的 UNIX 操作系统。 IBM AIX 和 VIOS 存在输入验证错误漏洞，该漏洞源于审计命令中的文件创建漏洞。

AI Predicted 4.4 Difficulty: Easy EPSS 0.21% · P11

Possible ATT&CK Techniques 2 AI

T1562 T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-38955

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a local user with elevated privileges to cause a denial of service due to a file creation vulnerability in the audit commands. IBM X-Force ID: 211825.
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
IBM AIX 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM AIX是美国IBM公司的一款为 IBM Power 体系架构开发的一种基于开放标准的 UNIX 操作系统。 IBM AIX 和 VIOS 存在输入验证错误漏洞，该漏洞源于审计命令中的文件创建漏洞。
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
IBM VIOS 3.1 -
IBM AIX 7.1 -

II. Public POCs for CVE-2021-38955

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III. Intelligence Information for CVE-2021-38955

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Vendor Advisories for CVE-2021-38955 (2)

Same Patch Batch · IBM · 2022-03-01 · 4 CVEs total

CVE-2022-22321 IBM MQ Appliance 加密问题漏洞
CVE-2021-38986 IBM MQ Appliance 代码问题漏洞
CVE-2020-4925 IBM API Connect 资源管理错误漏洞

IV. Related Vulnerabilities

Same product: VIOS
Same vendor: IBM

V. Comments for CVE-2021-38955

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