CVE-2020-12289
MEDIUMCVSS 5.5/10EPSS 0.22%
Last modified
CVE-2020-12289 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Out-of-bounds write in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
Out-of-bounds write in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Intel | Jhl6240 Thunderbolt 3 Firmware | < 21 |
| Intel | Jhl6340 Thunderbolt 3 Firmware | < 46 |
| Intel | Jhl6540 Thunderbolt 3 Firmware | < 46 |
| Intel | Jhl7040 Thunderbolt 3 Retimer Firmware | < 22 |
| Intel | Jhl7340 Thunderbolt 3 Firmware | < 60 |
| Intel | Jhl7440 Thunderbolt 3 Firmware | < 60 |
| Intel | Jhl7540 Thunderbolt 3 Firmware | < 60 |
| Intel | Jhl8010r Usb Retimer Firmware | < 41 |
| Intel | Dsl5320 Thunderbolt 2 Firmware | All versions |
| Intel | Dsl5520 Thunderbolt 2 Firmware | All versions |
| Intel | Dsl6340 Thunderbolt 3 Firmware | All versions |
| Intel | Dsl6540 Thunderbolt 3 Firmware | All versions |
| Intel | Jhl8040r Thunderbolt 4 Retimer Firmware | < 41 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-12289?
Out-of-bounds write in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
How severe is CVE-2020-12289?
CVE-2020-12289 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2020-12289?
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.
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Are you affected by CVE-2020-12289?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST