IObit Advanced SystemCare Utimate IOCTL AscRegistryFilter.sys 0x8001E000 null pointer dereference

published 2024-12-16 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-51031

cvss: 5.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits: 0; none known

A vulnerability has been found in IObit Advanced SystemCare Utimate up to 17.0.0 and classified as problematic. This vulnerability affects the function 0x8001E000 in the library AscRegistryFilter.sys of the component IOCTL Handler. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 22 mo ago (2024-12-16)

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

shareforall.notion.site https://shareforall.notion.site/IOBit-Advanced-SystemCare-Utimate-AscRegistryFilter-0x8001E000-NPD-DOS-15160437bb1e8068a470ca1611fd7317 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA	3.0	5.5	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA	2.0	4.6	AV:L/AC:L/Au:S/C:N/I:N/A:C
CNA	4.0	6.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

IObit Advanced SystemCare Utimate

Classification

Weakness

CWE-476 NULL Pointer Dereference
CWE-404 Improper Resource Shutdown or Release

References

shareforall.notion.site /IOBit-Advanced-SystemCare-Utimate-AscRegistryFilter-0x8001E000-NPD-DOS-15160437bb1e8068a470ca1611fd7317
exploit, third-party-advisory
vuldb.com /?id.288526
vdb-entry, technical-description, permissions-required
vuldb.com /?ctiid.288526
signature, permissions-required, vdb-entry
vuldb.com /?submit.456035
third-party-advisory, vdb-entry

Sources

CVE List CVE-2024-12657
NVD CVE-2024-12657

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary