CVE-2019-8274 is a critical heap buffer overflow vulnerability in UltraVNC revision 1211 and various Siemens Sinumerik products utilizing UltraVNC. This flaw, found in the VNC server's file transfer offer handler, allows for remote code execution without authentication. With a CVSS score of 9.8, it represents a severe risk due to its network-exploitable nature and potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered significant community discussion and media attention, indicating a high level of awareness.
| 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
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.