CVE-2020-8703
MEDIUMCVSS 6.7/10EPSS 0.35%
Last modified
CVE-2020-8703 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 may allow a privileged user to potentially enable escalation of privilege via local access.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 may allow a privileged user to potentially enable escalation of privilege via local access.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Intel | Converged Security And Manageability Engine | < 12.0.81 |
| Intel | Converged Security And Manageability Engine | < 13.0.47 |
| Intel | Converged Security And Manageability Engine | < 13.30.17 |
| Intel | Converged Security And Manageability Engine | < 14.1.53 |
| Intel | Converged Security And Manageability Engine | < 14.5.32 |
| Intel | Converged Security And Manageability Engine | < 11.8.86 |
| Intel | Converged Security And Manageability Engine | < 11.12.86 |
| Intel | Converged Security And Manageability Engine | < 11.22.86 |
| Intel | Converged Security And Manageability Engine | < 15.0.22 |
| Netapp | Cloud Backup | All versions |
| Siemens | Simatic Field Pg M6 Firmware | All versions |
| Siemens | Simatic Field Pg M5 Firmware | All versions |
| Siemens | Simatic Ipc427e Firmware | All versions |
| Siemens | Simatic Ipc477e Firmware | All versions |
| Siemens | Simatic Ipc477e Pro Firmware | All versions |
| Siemens | Simatic Ipc527g Firmware | All versions |
| Siemens | Simatic Ipc547g Firmware | All versions |
| Siemens | Simatic Ipc627e Firmware | < 25.02.10 |
| Siemens | Simatic Ipc647e Firmware | < 25.02.10 |
| Siemens | Simatic Ipc677e Firmware | < 25.02.10 |
| Siemens | Simatic Ipc847e Firmware | < 25.02.10 |
| Siemens | Simatic Itp1000 Firmware | All versions |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdfThird Party Advisory
- https://security.netapp.com/advisory/ntap-20210611-0004/Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdfThird Party Advisory
- https://security.netapp.com/advisory/ntap-20210611-0004/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-8703?
Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2020-8703?
CVE-2020-8703 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8703?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-8703?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST