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

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-21787
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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: NVD (National Vulnerability Database)
Vulnerability Description
A privilege escalation vulnerability exists in the way IOBit Advanced SystemCare Ultimate 14.2.0.220 driver handles Privileged I/O write requests. During IOCTL 0x9c40a0d8, the first dword passed in the input buffer is the device port to write to and the byte at offset 4 is the value to write via the OUT instruction. The OUT instruction can write one byte to the given I/O device port, potentially leading to escalated privileges of unprivileged users.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
无充分访问控制条件下暴露IOCTL
Source: NVD (National Vulnerability Database)
Vulnerability Title
IOBit Advanced SystemCare 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Iobit IOBit Advanced SystemCare是英国IOBit(Iobit)公司的一款系统管理实用程序。该程序主要用于扫描、修复和优化系统等。 IOBit Advanced SystemCare Ultimate存在安全漏洞,该漏洞源于IOBit Advanced SystemCare Ultimate 14.2.0.220版本的驱动程序处理特权 I/O 写入请求的方法中存在提权漏洞。本地攻击者可以发送恶意 IRP 来触发此漏洞。
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
VendorProductAffected VersionsCPESubscribe
-Iobit IOBit Advanced SystemCare Ultimate 14.2.0.220 -
II. Public POCs for CVE-2021-21787
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC
III. Intelligence Information for CVE-2021-21787
Please Login to view more intelligence information
IV. Related Vulnerabilities
V. Comments for CVE-2021-21787

No comments yet


Leave a comment