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Critical severity · published Nov 12, 2021
CVE-2021-1981
Possible buffer over read due to improper IE size check of Bearer capability IE in MT setup request from network in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity,…
9.1
CVSS
0.6%
EPSS
No
On KEV
Description
Possible buffer over read due to improper IE size check of Bearer capability IE in MT setup request from network in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Apq8017 Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Ar8035 Firmware · Qualcomm
All versions, or not specified · source: NVD
MF
Msm8917 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
Qca6421 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6426 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
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
Affected product
AF
Apq8017 Firmware
Qualcomm
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-1981
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-1981
Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/november-2021-bulletin
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