CVE-2021-47701OpenBMCS User Management Privilege Escalation
Updated under an hour ago ()
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It affects OPEN BMCS OpenBMCS and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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.
- CVSS
- 8.7 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-862
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Analyzed
- Record last updated
- Apr 7, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
OPEN BMCS OpenBMCS open_bmcs:openbmcs (from the name) | 2.4 | CNA record |
openbmcs openbmcs openbmcs:openbmcs | 2.4 | NVD |
References
- https://www.exploit-db.com/exploits/50669exploit, third-party-advisory, vdb-entry
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5693.phpthird-party-advisory, exploit
- https://www.vulncheck.com/advisories/openbmcs-user-management-privilege-escalationthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.