CVE-2019-8271 is a critical heap buffer overflow vulnerability in UltraVNC revision 1211 and related Siemens products, specifically within the VNC server's file transfer handler. This flaw allows for remote code execution with high impact on confidentiality, integrity, and availability, as indicated by its CVSS score of 9.8. While there is no evidence of active exploitation or public exploit code, the vulnerability is network-exploitable with low attack complexity. Community discussion and media coverage are minimal, suggesting limited public awareness despite its severity.
| 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:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.