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CVE-2021-20491

Quick assessment

Affected
IBM Spectrum Protect Server
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 Spectrum Protect（前称Tivoli Storage Manager）是美国IBM公司的一套数据保护平台。该平台为企业提供单一控制和管理点，并支持对所有规模的虚拟、物理和云环境进行备份和恢复。 IBM Spectrum Protect Server 7.1版本和8.1版本存在安全漏洞，该漏洞源于解析命令时不适当的边界检查。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.26% · P16

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-20491

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Spectrum Protect Server 7.1 and 8.1 is subject to a stack-based buffer overflow caused by improper bounds checking during the parsing of commands. By issuing such a command with an improper parameter, an authorized administrator could overflow a buffer and cause the server to crash. IBM X-Force ID: 197792.
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 Spectrum Protect 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Spectrum Protect（前称Tivoli Storage Manager）是美国IBM公司的一套数据保护平台。该平台为企业提供单一控制和管理点，并支持对所有规模的虚拟、物理和云环境进行备份和恢复。 IBM Spectrum Protect Server 7.1版本和8.1版本存在安全漏洞，该漏洞源于解析命令时不适当的边界检查。
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 Spectrum Protect Server 8.1 -

II. Public POCs for CVE-2021-20491

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III. Intelligence Information for CVE-2021-20491

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Vendor Advisories for CVE-2021-20491 (2)

IV. Related Vulnerabilities

Same product: Spectrum Protect Server
Same vendor: IBM

V. Comments for CVE-2021-20491

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