High severity · published Jan 13, 2022
CVE-2021-30311
Possible heap overflow due to lack of index validation before allocating and writing to heap buffer in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon…
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
Possible heap overflow due to lack of index validation before allocating and writing to heap buffer in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ar8035 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6390 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6391 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6426 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6436 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6574a Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6574au Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6595au Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6696 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca8081 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca8337 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcm6490 Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-30311
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-30311
Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/january-2022-bulletin
More from Ar8035 Firmware
7.8
CVE-2026-21385
Integer Overflow or Wraparound in Graphics
7.8
CVE-2023-33107
Integer Overflow or Wraparound in Graphics Linux
7.8
CVE-2023-33106
Use of Out-of-range Pointer Offset in Graphics
7.8
CVE-2023-33063
Use After Free in DSP Services
7.8
CVE-2022-22071
Qualcomm Multiple Chipsets Use-After-Free Vulnerability