High severity · published Apr 7, 2021
CVE-2020-11243
RRC sends a connection establishment success to NAS even though connection setup validation returns failure and leads to denial of service in Snapdragon Auto, Snapdragon Compute,…
7.5
CVSS
0.7%
EPSS
No
On KEV
Description
RRC sends a connection establishment success to NAS even though connection setup validation returns failure and leads to denial of service in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% 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
FF
Fsm10055 Firmware · Qualcomm
All versions, or not specified · source: NVD
FF
Fsm10056 Firmware · Qualcomm
All versions, or not specified · source: NVD
PF
Pm3003a Firmware · Qualcomm
All versions, or not specified · source: NVD
PF
Pm7150a Firmware · Qualcomm
All versions, or not specified · source: NVD
PF
Pm7150l Firmware · Qualcomm
All versions, or not specified · source: NVD
PF
Pm7250 Firmware · Qualcomm
All versions, or not specified · source: NVD
PF
Pm7250b Firmware · Qualcomm
All versions, or not specified · source: NVD
PF
Pm8004 Firmware · Qualcomm
All versions, or not specified · source: NVD
PF
Pm8008 Firmware · Qualcomm
All versions, or not specified · source: NVD
PF
Pm8009 Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-11243
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-11243
Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/april-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