HOMEVULNERABILITIESCVE-2023-2873
HIGH

CVE-2023-2873

CWE-119Published: May 24, 2023· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

A vulnerability classified as critical was found in Twister Antivirus 8. This vulnerability affects the function 0x804f2143/0x804f217f/0x804f214b/0x80800043 in the library filppd.sys of the component IoControlCode Handler. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-229852. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2023-2873 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

filseclab1 product(s)
twister antivirus
Microsoft1 product(s)
windows
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://drive.google.com/file/d/1ABRMxr6Ek02P_WAXjyYLGQ4sHYMVQTka/view?usp=sharing
ADVISORYhttps://github.com/zeze-zeze/WindowsKernelVuln/blob/master/CVE-2023-2873
ADVISORYhttps://vuldb.com/?ctiid.229852
ADVISORYhttps://vuldb.com/?id.229852
ADVISORYhttps://drive.google.com/file/d/1ABRMxr6Ek02P_WAXjyYLGQ4sHYMVQTka/view?usp=sharing
ADVISORYhttps://github.com/zeze-zeze/WindowsKernelVuln/blob/master/CVE-2023-2873
ADVISORYhttps://vuldb.com/?ctiid.229852
ADVISORYhttps://vuldb.com/?id.229852

All References (8)

→
https://drive.google.com/file/d/1ABRMxr6Ek02P_WAXjyYLGQ4sHYMVQTka/view?usp=sharingExploit · Third Party Advisory
→
https://github.com/zeze-zeze/WindowsKernelVuln/blob/master/CVE-2023-2873Exploit · Third Party Advisory
→
https://vuldb.com/?ctiid.229852Permissions Required · Third Party Advisory
→
https://vuldb.com/?id.229852Third Party Advisory
→
https://drive.google.com/file/d/1ABRMxr6Ek02P_WAXjyYLGQ4sHYMVQTka/view?usp=sharingExploit · Third Party Advisory
→
https://github.com/zeze-zeze/WindowsKernelVuln/blob/master/CVE-2023-2873Exploit · Third Party Advisory
→
https://vuldb.com/?ctiid.229852Permissions Required · Third Party Advisory
→
https://vuldb.com/?id.229852Third Party Advisory

Quick Facts

CVE IDCVE-2023-2873
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
Affected2 vendor(s)
PublishedMay 24, 2023

Related CVEs (CWE-119)

CVE-2014-1303
10.0
CVE-2013-6343
10.0
CVE-2024-25029
10.0
CVE-2009-1227
10.0
CVE-2015-2797
10.0
CVE-2014-1635
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-2873 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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