CVE-2019-25600 identifies a denial of service vulnerability in UltraVNC Viewer version 1.2.2.4. An unauthenticated attacker can exploit this by supplying an oversized string to the VNC Server input field, causing a buffer overflow that crashes the application. With a CVSS score of 6.5 (Medium), it has a network attack vector and low complexity, but requires user interaction to achieve a high impact on availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion regarding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Uvnc | UltraVNC Viewer | 1.2.2.4CNA affected |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.