CVE-2019-6816 is a critical code injection vulnerability affecting all firmware versions of Schneider Electric Modicon Quantum PLCs. An unauthenticated attacker can exploit this flaw remotely over the network via the Modbus protocol, leading to unauthorized firmware modification and potential denial of service. While there is no known active exploitation or public exploit code, the vulnerability has a CVSS score of 9.1 (CRITICAL) and has garnered significant community discussion, indicating potential interest from threat actors.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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.
No media coverage found for this CVE.
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.