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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-40399

Quick assessment

Affected
WPS WPS Office
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.

Kingsoft WPS是中国金山软件（Kingsoft）公司的一种办公软件。提供文件处理功能。 金山软件 WPS Spreadsheets( ET ) 11.2.0.10351存在资源管理错误漏洞，该漏洞源于特制的XLS文件会导致释放后重用，从而导致远程代码执行。攻击者利用该漏洞向受害者提供格式错误的文件从而触发漏洞。

AI Predicted 8.8 Difficulty: Moderate EPSS 1.40% · P72
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-40399

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
An exploitable use-after-free vulnerability exists in WPS Spreadsheets ( ET ) as part of WPS Office, version 11.2.0.10351. A specially-crafted XLS file can cause a use-after-free condition, resulting in remote code execution. An attacker needs to provide a malformed file to the victim to trigger the vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
金山软件 WPS 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kingsoft WPS是中国金山软件（Kingsoft）公司的一种办公软件。提供文件处理功能。 金山软件 WPS Spreadsheets( ET ) 11.2.0.10351存在资源管理错误漏洞，该漏洞源于特制的XLS文件会导致释放后重用，从而导致远程代码执行。攻击者利用该漏洞向受害者提供格式错误的文件从而触发漏洞。
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
WPS WPS Office 11.2.0.10351 -

II. Public POCs for CVE-2021-40399

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-40399

请登录查看更多情报信息。

Other References for CVE-2021-40399 (2)

IV. Related Vulnerabilities

Same product: WPS Office
Same vendor: WPS
Same weakness: CWE-416

V. Comments for CVE-2021-40399

No comments yet

Leave a comment