{"id":"CVE-2021-37292","title":"An Access Control vulnerability exists in KevinLAB Inc Building Energy Management System 4ST BEMS 1.0.0 due to an undocumented backdoor account","summary":"An Access Control vulnerability exists in KevinLAB Inc Building Energy Management System 4ST BEMS 1.0.0 due to an undocumented backdoor account. A malicious user can log in using the backdor account with admin highest privileges and obta…","severity":"high","cvss":7.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","vendor":"kevinlab","product":"4st_l-bems","affected":["4st_l-bems = 1.0.0"],"published":"2022-04-11","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-37292","references":[{"url":"https://www.zeroscience.mk/en/vulnerabilities/","label":"cve@mitre.org"},{"url":"http://www.kevinlab.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zeroscience.mk/en/vulnerabilities/","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","exploit-available"],"epss":0.0655,"epssPercentile":0.93556,"ingestedAt":"2026-07-06T17:03:24.149Z","exploits":{"nuclei":["CVE-2021-37292"],"checkedAt":"2026-09-25T08:20:40.163Z"},"exploitAvailable":true,"slug":"CVE-2021-37292","body":"## Overview\n\nAn Access Control vulnerability exists in KevinLAB Inc Building Energy Management System 4ST BEMS 1.0.0 due to an undocumented backdoor account. A malicious user can log in using the backdor account with admin highest privileges and obtain system control.\n\n## Affected\n\n- `4st_l-bems = 1.0.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":39.6,"likelihood":1.3,"exploitation":12,"ransomware":0},"changes":[{"seq":4568,"id":"CVE-2021-37292","ts":1788887191283,"field":"exploit_available","old":"false","new":"true"},{"seq":3451,"id":"CVE-2021-37292","ts":1788886308329,"field":"exploit_available","old":"true","new":"false"},{"seq":2305,"id":"CVE-2021-37292","ts":1788882977982,"field":"exploit_available","old":"false","new":"true"},{"seq":1334,"id":"CVE-2021-37292","ts":1788882390029,"field":"exploit_available","old":"true","new":"false"},{"seq":448,"id":"CVE-2021-37292","ts":1788881825933,"field":"exploit_available","old":"false","new":"true"}]}