Medium severity · published Jul 22, 2021
CVE-2021-34262
A buffer overflow vulnerability in the USBH_ParseEPDesc() function of STMicroelectronics STM32Cube Middleware v1.8.0 and below allows attackers to execute arbitrary code
6.8
CVSS
0.5%
EPSS
No
On KEV
Description
A buffer overflow vulnerability in the USBH_ParseEPDesc() function of STMicroelectronics STM32Cube Middleware v1.8.0 and below allows attackers to execute arbitrary code.
CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Physical
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SM
Stm32cube Middleware · ST
through 1.8.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34262
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34262
Exploit
https://github.com/STMicroelectronics/STM32CubeH7/issues/81
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