Vulnerability Report

CVE-2023-40481

RCE

Title: 7-Zip RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2023-40481.

CWE Category CWE-787
Published Date May 03, 2024
Modified Date Aug 12, 2025
Exploit Status Not Found
Score 7.8 CVSS v3.0
Exploit Probability (EPSS)
26.89%

Vulnerability Summary

CVE-2023-40481: 7-Zip SquashFS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of SQFS files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18589.

Impacted Vendors

I
igor_pavlov 1
7
7-zip 1

Reference Links

https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/ https://www.zerodayinitiative.com/advisories/ZDI-23-1164/ https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/ https://www.zerodayinitiative.com/advisories/ZDI-23-1164/
CVSS v3.0
Source Entity [email protected]
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-40481 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.