High severity · published Oct 20, 2021
CVE-2021-1913
Possible integer overflow due to improper length check while updating grace period and count record in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon…
8.4
CVSS
0.2%
EPSS
No
On KEV
Description
Possible integer overflow due to improper length check while updating grace period and count record in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Aqt1000 Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Ar8035 Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Csrb31024 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6174a 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
Qca6420 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6421 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6426 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6430 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6431 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6436 Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-1913
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-1913
Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin
More from Aqt1000 Firmware
8.6
CVE-2025-21479
Incorrect Authorization in Graphics
8.6
CVE-2025-21480
Incorrect Authorization in Graphics Windows
7.8
CVE-2023-33107
Integer Overflow or Wraparound in Graphics Linux
7.8
CVE-2023-33063
Use After Free in DSP Services
7.8
CVE-2020-11261
Qualcomm Multiple Chipsets Improper Input Validation Vulnerability
