Critical severity · published Sep 8, 2021
CVE-2021-1920
Integer underflow can occur due to improper handling of incoming RTCP packets in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon…
9.8
CVSS
0.8%
EPSS
No
On KEV
Description
Integer underflow can occur due to improper handling of incoming RTCP packets in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Apq8009 Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Apq8009w Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Apq8017 Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Apq8037 Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Apq8053 Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Apq8084 Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Apq8096au Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Aqt1000 Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Ar6003 Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Csr6030 Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Csrb31024 Firmware · Qualcomm
All versions, or not specified · source: NVD
MF
Mdm8207 Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-1920
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-1920
Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/august-2021-bulletin
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