CVE-2021-22786 is an information exposure vulnerability (CWE-200) in various Schneider Electric Modicon controllers, including M340, M580, MC80, and Quantum series, that could expose sensitive data stored in the controller's memory during Modbus TCP communication. With a CVSS v3.1 score of 7.5 (High), this vulnerability is remotely exploitable with low attack complexity, requiring no user interaction, and primarily impacts confidentiality. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.40CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:*:*:*:*:*:*:*:* | ||
< 3.40CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m340_bmxp342000_firmware:*:*:*:*:*:*:*:* | ||
< 3.40CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m340_bmxp342010_firmware:*:*:*:*:*:*:*:* | ||
< 3.40CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420102_firmware:*:*:*:*:*:*:*:* | ||
< 3.40CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020_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:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.