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CVE-2021-31987

Quick assessment

Affected
Axis Communications AB AXIS OS
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.

Axis Os是瑞典安讯士（Axis）公司的一种边缘设备操作系统。 Axis devices AXIS OS 5.51 版本及之后版本存在安全漏洞，该漏洞源于没有正确验证与SMTP测试功能相关的用户控制参数。

AI Predicted 7.5 Difficulty: Easy EPSS 0.89% · P57

Possible ATT&CK Techniques 1 AI

T1566 · Phishing
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I. Basic Information for CVE-2021-31987

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A user controlled parameter related to SMTP test functionality is not correctly validated making it possible to bypass blocked network recipients.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1286
Source: CVE Program / CVE List V5
Vulnerability Title
Axis OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Axis Os是瑞典安讯士（Axis）公司的一种边缘设备操作系统。 Axis devices AXIS OS 5.51 版本及之后版本存在安全漏洞，该漏洞源于没有正确验证与SMTP测试功能相关的用户控制参数。
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
Axis Communications AB AXIS OS AXIS OS 5.51 or later -

II. Public POCs for CVE-2021-31987

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III. Intelligence Information for CVE-2021-31987

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Other References for CVE-2021-31987 (1)

Same Patch Batch · Axis Communications AB · 2021-10-05 · 3 CVEs total

CVE-2021-31988 Axis Os 注入漏洞
CVE-2021-31986 Axis Os 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: AXIS OS
Same vendor: Axis Communications AB
Same weakness: CWE-1286

V. Comments for CVE-2021-31987

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