CVE-2021-47701 — HIGH (8.8)

Vulnerability 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Openbmcs	Openbmcs	2.4

Related Weaknesses (CWE)

CWE-862

References

https://www.exploit-db.com/exploits/50669ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/openbmcs-user-management-privilege-escalatiThird Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5693.phpExploitThird Party Advisory

FAQ

What is CVE-2021-47701?

CVE-2021-47701 is a vulnerability with a CVSS score of 8.8 (HIGH). 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. Attacker...

How severe is CVE-2021-47701?

CVE-2021-47701 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-47701?

Check the references section above for vendor advisories and patch information. Affected products include: Openbmcs Openbmcs.