CVE-2021-47701

HIGH 8.8CVE-2021-47701 · Published 09/12/2025 · updated 17/06/2026

In short

CVE-2021-47701 is a HIGH (CVSS 8.8) vulnerability affecting openbmcs (openbmcs).
Chance of exploitation in the next 30 days (EPSS): 0.48%, higher than 41.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
openbmcs openbmcs	`= 2.4`	No fix yet

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.

References

exploit-db.com/exploits/50669 · Exploit
vulncheck.com/advisories/openbmcs-user-management-privilege-escalation · Third Party Advisory
zeroscience.mk/en/vulnerabilities/ZSL-2022-5693.php · Exploit

More vulnerabilities in openbmcs

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

openbmcs

= 2.4

No fix yet

More vulnerabilities in openbmcs

See all →