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TI-2021-22318 Aliases CVE-2021-47701GHSA-3rfh-phff-7g8v

OpenBMCS User Management Privilege Escalation

Priority LOW 38CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00481 41st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OPEN BMCSOpenBMCS2.4—No fix listedCNA
  • OpenBMCS VendorOPEN BMCS Affected 2.4 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openbmcs:openbmcs:2.4:*:*:*:*:*:*:*2.4VulnerableOPEN BMCS
  • cpe:2.3:a:openbmcs:openbmcs:2.4:*:*:*:*:*:*:* Versions 2.4 Vulnerable ·OPEN BMCS

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47701
  2. 2026-10-03 Alias added: GHSA-3rfh-phff-7g8v

References

Exploit 2

  • TI-2021-22321 OpenBMCS SQL Injection via obix_test.php CVSS 4.0HIGH 8.7
  • TI-2021-22335 OpenBMCS Directory Listing Information Disclosure CVSS 4.0HIGH 8.7
  • TI-2021-22320 OpenBMCS Server Side Request Forgery (SSRF) via /php/query.php CVSS 4.0MEDIUM 6.9
  • TI-2021-22319 OpenBMCS Cross Site Request Forgery (CSRF) via sendFeedback.php CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences