Improper input validation in IBM API Connect
Priority LOW 30CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
IBM API Connect 10.0.0.0 through 10.0.1.0 and 2018.4.1.0 through 2018.4.1.13 is vulnerable to web cache poisoning, caused by improper input validation by modifying HTTP request headers. IBM X-Force ID: 189842.
Why it matters now
EPSS 0.00822 57th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | API Connect | 2018.4.1.0; 2018.4.1.13; 10.0.0.0; 10.0.1.0 | — | No fix listed | CNA |
- API Connect VendorIBM Affected 2018.4.1.0; 2018.4.1.13; 10.0.0.0; 10.0.1.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-4828
- 2026-10-03 Alias added: GHSA-mc75-95xp-qm8h
References
More IBM Api Connect vulnerabilities
- TI-2025-12717 Authentication bypass in IBM API Connect CVSS 3.1CRITICAL 9.8
- TI-2019-03132 OS command injection in IBM API Connect CVSS 3.1CRITICAL 10.0
- TI-2026-07972 IBM API Connect SQL Injection CVSS 3.1CRITICAL 9.8
- TI-2019-03106 IBM API Connect's Developer Portal 2018.1 and 2018.4.1.3 is impacted by a privilege… CVSS 3.0CRITICAL 9.8
- TI-2018-01353 IBM API Connect Developer Portal 5.0.0.0 through 5.0.8.2 could allow an unauthenticated… CVSS 3.0CRITICAL 9.8
- TI-2019-03133 Server-side request forgery in IBM API Connect CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-4828 · CVE Program
- CVE-2020-4828 · NVD
- FIRST EPSS
- GHSA-mc75-95xp-qm8h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences