CVE-2025-6519 is a critical vulnerability affecting Copeland E3 Site Supervisor firmware versions prior to 2.31F01, as well as several Site Supervisor BX, BXE, CX, CXE, RX, and RXE models. It stems from a hardcoded "ONEDAY" administrative user with a predictably generated daily password, which cannot be removed or modified. This vulnerability carries a CVSS score of 9.8 (Critical), indicating an easily exploitable network-based attack with no authentication required, leading to complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion and media coverage, suggesting awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.31f01CPE matchmatch criteria | cpe:2.3:o:copeland:e3_supervisory_controller_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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.