CVE-2023-52173
CWE-787Published: December 29, 2023· Updated: Jun 17, 2026
Official Description
XnView Classic before 2.51.3 on Windows has a Write Access Violation at xnview.exe+0x3ADBD0.
Risk Analysis
A write access violation in XnView Classic versions before 2.51.3 allows for critical exploitation. The flaw is remotely accessible and carries a CVSS score of 9.8.
No public exploit is known for this vulnerability, and it is not in the CISA KEV database.
Upgrade XnView Classic to version 2.51.3 or later.
Technical Analysis
CVE-2023-52173 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
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 9.8.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (4)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-52173 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts