CVE-2019-6808 is a critical improper access control vulnerability affecting all versions of Schneider Electric Modicon M580, M340, Quantum, and Premium controllers. An unauthenticated attacker can exploit this flaw remotely over Modbus to overwrite configuration settings, leading to remote code execution. With a CVSS score of 9.8 (CRITICAL), this vulnerability poses a significant risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential for severe consequences necessitates immediate attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.20CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:* | ||
<= 3.60CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:* | ||
< 3.10CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:* | ||
< 2.90CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:* |
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.
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.