CVE-2021-47701
highpriority · track · 35OT risk · elevatedEPSS 0.005 · 41 %ileEUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.3–8.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2021-47701cnnvd
- https://www.exploit-db.com/exploits/50669cnnvd
- https://www.vulncheck.com/advisories/openbmcs-user-management-privilege-escalationcnnvd
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5693.phpcnnvd
- https://www.exploit-db.com/exploits/50669enisa_euvd
- https://www.vulncheck.com/advisories/openbmcs-user-management-privilege-escalationenisa_euvd
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5693.phpenisa_euvd
- https://www.exploit-db.com/exploits/50669ExploitThird Party AdvisoryVDB Entrynvd
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