CVE-2021-27458 describes a denial-of-service vulnerability affecting multiple JTEKT Corporation TOYOPUC product series, including PC10, Plus, and PC3J/PC2J. An unauthenticated attacker can prevent Ethernet communication with other devices by leaving the product's Ethernet communication in an open state, depending on link parameter settings. This vulnerability has a CVSS v3.1 score of 7.5 (High), indicating a network-based attack with low complexity and high impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:jtekt:pc10g-cpu_tcc-6353_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:jtekt:pc10ge_tcc-6464_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:jtekt:pc10p_tcc-6372_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:jtekt:pc10p-dp_tcc-6726_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:jtekt:pc10p-dp-io_tcc-6752_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.