CVE-2020-12294
Insufficient control flow management in some Intel(R) Thunderbolt(TM) controllers may allow an...
Insufficient control flow management 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
Insufficient control flow management in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
- Record
CVE-2020-12294- 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 - Updated
- 2026-11-02
CVE List No score
Insufficient control flow management in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
- Record
CVE-2020-12294- Updated
- 2026-11-02
EUVDEUVD-2020-4606 No score
Insufficient control flow management in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
- Record
EUVD-2020-4606- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pq9h-r27q-j5px No score
Insufficient control flow management in some Intel(R) Thunderbolt(TM) controllers may allow an...
Insufficient control flow management in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
- Record
GHSA-pq9h-r27q-j5px- 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-2020-12294 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.