CVE-2020-5652 describes an uncontrolled resource consumption vulnerability in the Ethernet Port of various Mitsubishi Electric MELSEC iQ-R, Q, and L series CPU modules. A remote, unauthenticated attacker can exploit this by sending a specially crafted packet, leading to a denial-of-service (DoS) condition by stopping Ethernet communication functions. This vulnerability has a CVSS v3.1 score of 7.5 (HIGH), indicating a high severity due to its network-based attack vector, low attack complexity, and high impact on availability. 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 |
|---|---|---|---|
22031CPE matchmatch criteria | cpe:2.3:o:mitsubishielectric:melsec_q-q04udpvcpu_firmware:22031:*:*:*:*:*:*:* | ||
22031CPE matchmatch criteria | cpe:2.3:o:mitsubishielectric:melsec_q-q06udpvcpu_firmware:22031:*:*:*:*:*:*:* | ||
22031CPE matchmatch criteria | cpe:2.3:o:mitsubishielectric:melsec_q-q13udpvcpu_firmware:22031:*:*:*:*:*:*:* | ||
22031CPE matchmatch criteria | cpe:2.3:o:mitsubishielectric:melsec_q-q26udpvcpu_firmware:22031:*:*:*:*:*:*:* | ||
22031CPE matchmatch criteria | cpe:2.3:o:mitsubishielectric:melsec_q-q03udvcpu_firmware:22031:*:*:*:*:*:*:* |
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.