CVE-2018-7790 is an Information Management Error vulnerability affecting all versions of Schneider Electric Modicon M221 firmware prior to V1.6.2.0, allowing unauthorized replay of authentication sequences. This critical vulnerability (CVSS 9.8) enables an attacker to connect to a vulnerable PLC and upload its original program, leading to complete compromise (confidentiality, integrity, availability). Despite its severity, there is no known active exploitation, public exploit code, or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.6.2.0CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m221_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.