CVE-2020-12501 is an Improper Authorization vulnerability affecting various Pepperl+Fuchs P+F Comtrol RocketLinx ES series industrial switches, stemming from undocumented accounts. With a CVSS score of 9.8 (Critical), this vulnerability allows unauthenticated remote attackers to achieve full compromise (confidentiality, integrity, availability) with low attack complexity. While not listed in CISA KEV and lacking public exploit code in Metasploit or ExploitDB, it has garnered significant community discussion and media coverage, including a SecurityWeek article highlighting the vendor's refusal to remove the backdoor.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:pepperl-fuchs:es7510-xt_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:pepperl-fuchs:es8509-xt_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:pepperl-fuchs:es8510-xt_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:pepperl-fuchs:es9528-xtv2_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:pepperl-fuchs:es7506_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.
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.