Buffer overflow in Uvnc Pchelpwarev2
CVE-2019-25564
PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Group field. Attackers can paste a buffer overflow payload into the Group property field and click Ok to trigger an application crash.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Uvnc Pchelpwarev2 — versions 1.0.0.5
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/46709 (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.uvnc.com/home.html (Product, product)
- www.uvnc.eu/download/pchw2/PCHelpWareV2.msi (Product, product)
- www.vulncheck.com/advisories/pchelpwarev2-denial-of-service-via-group-field (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2019-25564?
- CVE-2019-25564 is a medium-severity vulnerability in Uvnc Pchelpwarev2, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2026-03-21.
- How severe is CVE-2019-25564?
- Medium severity. CVSS v3 base score is 5.5 out of 10.