CVE-2020-12289
Out-of-bounds write in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-12289- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-12289- Updated
- 2026-11-02
EUVDEUVD-2020-4601 No score
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.
- Record
EUVD-2020-4601- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6q8h-w49w-rg9j No score
Out-of-bounds write in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user...
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.
- Record
GHSA-6q8h-w49w-rg9j- Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
- intel dsl5320 thunderbolt 2 firmware
- intel dsl5520 thunderbolt 2 firmware
- intel dsl6340 thunderbolt 3 firmware
- intel dsl6540 thunderbolt 3 firmware
- intel jhl6240 thunderbolt 3 firmware
- intel jhl6340 thunderbolt 3 firmware
- intel jhl6540 thunderbolt 3 firmware
- intel jhl7040 thunderbolt 3 retimer firmware
- intel jhl7340 thunderbolt 3 firmware
- intel jhl7440 thunderbolt 3 firmware
- intel jhl7540 thunderbolt 3 firmware
- intel jhl8010r usb retimer firmware
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History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-12289 is a medium vulnerability (CVSS 5.5) in Intel Dsl5320 Thunderbolt 2 Firmware, published June 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.