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CVE-2021-21787

🗓️ 07 Jul 2021 17:15:00Reported by AttackerKBType 
attackerkb
 attackerkb
🔗 attackerkb.com👁 11 Views

Privilege escalation in IOBit Advanced SystemCare Ultimate 14.2.0.220 driver via input control code 0x9c40a0d8 allows unprivileged I/O port writes.

Related
Refs
ReporterTitlePublishedViews
Family
cnnvd
CNNVD
IOBit Advanced SystemCare 安全漏洞
7 Jul 202100:00
–cnnvd
cnvd
CNVD
Advanced SystemCare Ultimate Elevation of Privilege Vulnerability (CNVD-2021-57452)
8 Jul 202100:00
–cnvd
cve
CVE
CVE-2021-21787
7 Jul 202116:39
–cve
cvelist
Cvelist
CVE-2021-21787
7 Jul 202116:39
–cvelist
euvd
EUVD
EUVD-2021-8959
3 Oct 202520:07
–euvd
nvd
NVD
CVE-2021-21787
7 Jul 202117:15
–nvd
osv
OSV
CVE-2021-21787
7 Jul 202117:15
–osv
prion
Prion
Privilege escalation
7 Jul 202117:15
–prion
ptsecurity
Positive Technologies
PT-2021-14772
7 Jul 202100:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2021-21787: Exposed IOCTL with Insufficient Access Control
7 Jul 202100:00
–rapid7
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24 Feb 2026 17:49Current
7.4High risk
Vulners AI Score7.4
CVSS 3.18.8
CVSS 24.6
CVSS 38.8
EPSS0.00338
11