VULNERABILITY INTELLIGENCE
CVE-2021-47701
CVSS score8.7 HIGH
EPSS probability0.48%
CISA KEVNot currently listed
Published2025-12-09
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Description
OpenBMCS 2.4 allows an attacker to escalate privileges from a read user to an admin user by manipulating permissions and exploiting a vulnerability in the update_user_permissions.php script. Attackers can submit a malicious HTTP POST request to PHP scripts in '/plugins/useradmin/' directory.
Weakness classification
- CWE-862: Missing Authorization
Primary references
- disclosure@vulncheck.com — Exploit, Third Party Advisory, VDB Entry
- disclosure@vulncheck.com — Third Party Advisory
- disclosure@vulncheck.com — Exploit, Third Party Advisory