6.9
MEDIUM CVSS 4.0
CVE-2019-25563
PCHelpWareV2 1.0.0.5 Denial of Service via SC Creation
Description

PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying a malformed image file. Attackers can trigger the vulnerability through the Create SC feature by selecting a crafted BMP file with an oversized buffer, causing the application to crash.

INFO

Published Date :

March 21, 2026, 1:16 p.m.

Last Modified :

March 21, 2026, 1:16 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2019-25563 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Uvnc ultravnc
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update PCHelpWareV2 to patch the denial-of-service vulnerability related to malformed image files.
  • Update PCHelpWareV2 to the latest version.
  • Avoid opening malformed image files.
  • Validate image file sizes before processing.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-25563.

URL Resource
http://www.uvnc.eu/download/pchw2/PCHelpWareV2.msi
https://www.exploit-db.com/exploits/46708
https://www.uvnc.com/home.html
https://www.vulncheck.com/advisories/pchelpwarev2-denial-of-service-via-sc-creation
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-25563 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-25563 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-25563 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-25563 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Mar. 21, 2026

    Action Type Old Value New Value
    Added Description PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying a malformed image file. Attackers can trigger the vulnerability through the Create SC feature by selecting a crafted BMP file with an oversized buffer, causing the application to crash.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/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
    Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-226
    Added Reference http://www.uvnc.eu/download/pchw2/PCHelpWareV2.msi
    Added Reference https://www.exploit-db.com/exploits/46708
    Added Reference https://www.uvnc.com/home.html
    Added Reference https://www.vulncheck.com/advisories/pchelpwarev2-denial-of-service-via-sc-creation
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.