CVE-2019-18339 is a critical authentication bypass vulnerability affecting all versions of Siemens SiNVR/SiVMS Video Server prior to V5.0.0. A remote attacker can exploit the HTTP service (port 5401/tcp) to read the user database, including obfuscated cleartext passwords, even when authentication is configured. This vulnerability has a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), it has garnered significant community discussion and media coverage, indicating awareness of its severity.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:siemens:sinvr_3_central_control_server:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:siemens:sinvr_3_video_server:*:*:*:*:*:*:*:* |
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.