Medium severity · published Jun 9, 2021
CVE-2020-12291
Uncontrolled resource consumption in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
Uncontrolled resource consumption in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DT
Dsl5320 Thunderbolt 2 Firmware · Intel
All versions, or not specified · source: NVD
DT
Dsl5520 Thunderbolt 2 Firmware · Intel
All versions, or not specified · source: NVD
DT
Dsl6340 Thunderbolt 3 Firmware · Intel
All versions, or not specified · source: NVD
DT
Dsl6540 Thunderbolt 3 Firmware · Intel
All versions, or not specified · source: NVD
JT
Jhl6240 Thunderbolt 3 Firmware · Intel
before 21 · source: NVD
JT
Jhl6340 Thunderbolt 3 Firmware · Intel
before 46 · source: NVD
JT
Jhl6540 Thunderbolt 3 Firmware · Intel
before 46 · source: NVD
JT
Jhl7040 Thunderbolt 3 Retimer Firmware · Intel
before 22 · source: NVD
JT
Jhl7340 Thunderbolt 3 Firmware · Intel
before 60 · source: NVD
JT
Jhl7440 Thunderbolt 3 Firmware · Intel
before 60 · source: NVD
JT
Jhl7540 Thunderbolt 3 Firmware · Intel
before 60 · source: NVD
JU
Jhl8010r Usb Retimer Firmware · Intel
before 41 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-12291
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-12291
Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00401.html
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