Full Report
IBM has disclosed details of a critical security flaw in API Connect that could allow attackers to gain remote access to the application. The vulnerability, tracked as CVE-2025-13915, is rated 9.8 out of a maximum of 10.0 on the CVSS scoring system. It has been described as an authentication bypass flaw. "IBM API Connect could allow a remote attacker to bypass authentication mechanisms and gain
Analysis Summary
# Vulnerability: Critical Authentication Bypass in IBM API Connect
## CVE Details
- CVE ID: CVE-2025-13915
- CVSS Score: 9.8 (Critical)
- CWE: Authentication Bypass (Inferred from description)
## Affected Systems
- Products: IBM API Connect
- Versions: 10.0.8.0 through 10.0.8.5, 10.0.11.0
- Configurations: Not specified, but relates to general application access.
## Vulnerability Description
IBM API Connect contains a critical security flaw that allows a remote attacker to bypass the application's authentication mechanisms. Successful exploitation grants the attacker unauthorized remote access to the application.
## Exploitation
- Status: Not exploited in the wild (As of article disclosure)
- Complexity: Not detailed, but likely Low given the critical CVSS score and remote attack vector.
- Attack Vector: Network
## Impact
- Confidentiality: High (Implied by unauthorized access)
- Integrity: High (Implied by unauthorized access)
- Availability: High (Implied by unauthorized access)
## Remediation
### Patches
- **Interim Fix:** Customers should download the fix from Fix Central.
- Extraction steps require extracting `Readme.md` and `ibm-apiconnect--ifix.13195.tar.gz`.
- Apply the fix specific to the running API Connect version.
### Workarounds
- Customers unable to install the interim fix should **disable self-service sign-up on their Developer Portal** if it is enabled, to minimize exposure.
## Detection
- **Indicators of Compromise:** Not specifically listed; focus should be on monitoring for unusual administrative logins or unauthorized changes following bypass attempts.
- **Detection Methods and Tools:** Not detailed, but standard network and application monitoring tools should be used to watch for anomalies associated with authentication failure patterns.
## References
- Vendor Advisory (IBM): hxxps://www.ibm.com/support/pages/node/7255149
- Fix Central Instructions: hxxps://www.ibm.com/support/pages/node/7255318