Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-31988

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注入漏洞，该漏洞源于没有正确验证与SMTP测试功能相关的控制参数，因此可能添加回车换行(CRLF)控制字符，并在生成的电子邮件中包含任意SMTP标头。

AI Predicted 5.3 Difficulty: Easy EPSS 0.95% · P59

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-31988

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

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 add the Carriage Return and Line Feed (CRLF) control characters and include arbitrary SMTP headers in the generated test email.
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 注入漏洞
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注入漏洞，该漏洞源于没有正确验证与SMTP测试功能相关的控制参数，因此可能添加回车换行(CRLF)控制字符，并在生成的电子邮件中包含任意SMTP标头。
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-2021-31988

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-31988

请登录查看更多情报信息。

Other References for CVE-2021-31988 (1)

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

CVE-2021-31987 Axis OS 安全漏洞
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-2021-31988

No comments yet

Leave a comment