CVE-2019-8263 describes a stack-based buffer overflow in UltraVNC revision 1205's VNC client, specifically within the ShowConnInfo routine. This vulnerability, affecting UltraVNC and several Siemens SINUMERIK products, can lead to a denial of service (DoS) condition. It has a CVSS score of 6.5 (Medium), indicating it can be exploited over a network with low attack complexity, but requires user interaction. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.2.2.3CPE matchmatch criteria | cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:* | ||
< 4.8CPE matchmatch criteria | cpe:2.3:a:siemens:sinumerik_access_mymachine\/p2p:*:*:*:*:*:*:*:* | ||
< 14.00CPE matchmatch criteria | cpe:2.3:a:siemens:sinumerik_pcu_base_win10_software\/ipc:*:*:*:*:*:*:*:* | ||
<= 12.01CPE matchmatch criteria | cpe:2.3:a:siemens:sinumerik_pcu_base_win7_software\/ipc:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
No social media mentions found for this CVE.
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.
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.