Is CVE-2018-5282 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2018-5282, but active exploitation has not been confirmed.

Can CVE-2018-5282 be exploited remotely?

No. CVE-2018-5282 requires local access to exploit.

What is the CVSS score of CVE-2018-5282?

CVE-2018-5282 has a CVSS score of 7.8 (HIGH).

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HIGHPOC

CVE-2018-5282

CWE-787Published: January 8, 2018· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

Kentico 9.0 through 11.0 has a stack-based buffer overflow via the SqlName, SqlPswd, Database, UserName, or Password field in a SilentInstall XML document. NOTE: the vendor disputes this issue because neither a buffer overflow nor a crash can be reproduced; also, reading XML documents is implemented exclusively with managed code within the Microsoft .NET Framework

NVD Source

Technical Analysis

CVE-2018-5282 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.

A proof-of-concept (PoC) exploit exists for CVE-2018-5282. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.