CVE-2020-7539 describes a denial-of-service vulnerability in the web server of Schneider Electric Modicon M340, Quantum, and Premium controllers, along with associated communication modules. This flaw, categorized as CWE-754 (Improper Check for Unusual or Exceptional Conditions), can be triggered by sending a specially crafted HTTP packet to the affected devices. With a CVSS v3.1 score of 7.5 (High), this vulnerability is network-exploitable with low attack complexity and no user interaction, leading to a high impact on availability. Currently, there is 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 |
|---|---|---|---|
< 3.30CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:*:*:*:*:*:*:*:* | ||
< 3.30CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m340_bmxp342000_firmware:*:*:*:*:*:*:*:* | ||
< 3.30CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420102_firmware:*:*:*:*:*:*:*:* | ||
< 3.30CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420102cl_firmware:*:*:*:*:*:*:*:* | ||
< 3.30CPE 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:N/I:N/A:H
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.