Buffer overflow in IBM WIoTP MessageGateway
Priority MEDIUM 49CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
IBM Watson IoT Message Gateway 2.0.0.x, 5.0.0.0, 5.0.0.1, and 5.0.0.2 is vulnerable to a buffer overflow, caused by improper bounds checking when handling a failed HTTP request with specific content in the headers. By sending a specially crafted HTTP request, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service. IBM X-Force ID: 174972.
Why it matters now
EPSS 0.04526 91st 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 | WIoTP MessageGateway | 5.0.0.1 | — | No fix listed | CNA |
| IBM | IoT MessageSight | 2.0; 5.0.0.0 | — | No fix listed | CNA |
- WIoTP MessageGateway VendorIBM Affected 5.0.0.1 Fixed in — No fix listed CNA
- IoT MessageSight VendorIBM Affected 2.0; 5.0.0.0 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:iot_messagesight:*:*:*:*:*:*:*:* | 2.0.0.0 to before 2.0.0.2 | Vulnerable | IBM |
| cpe:2.3:a:ibm:iot_messagesight:5.0.0.0:*:*:*:*:*:*:* | 5.0.0.0 | Vulnerable | IBM |
| cpe:2.3:a:ibm:watson_iot_platform_-_message_gateway:5.0.0.1:*:*:*:*:*:*:* | 5.0.0.1 | Vulnerable | IBM |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
- cpe:2.3:a:ibm:iot_messagesight:*:*:*:*:*:*:*:* Versions 2.0.0.0 to before 2.0.0.2 Vulnerable ·IBM
- cpe:2.3:a:ibm:iot_messagesight:5.0.0.0:*:*:*:*:*:*:* Versions 5.0.0.0 Vulnerable ·IBM
- cpe:2.3:a:ibm:watson_iot_platform_-_message_gateway:5.0.0.1:*:*:*:*:*:*:* Versions 5.0.0.1 Vulnerable ·IBM
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-4207
- 2026-10-03 Alias added: GHSA-p3wr-rj67-3cjc
References
Sources
- CVE-2020-4207 · CVE Program
- CVE-2020-4207 · NVD
- FIRST EPSS
- GHSA-p3wr-rj67-3cjc · GitHub Advisory Database · CC BY 4.0
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