CVE-2021-30307: High severity Google Android vulnerability
Published Jan 4, 2022
·Updated
Possible denial of service due to improper validation of DNS response when DNS client requests with PTR, NAPTR or SRV query type in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT
Affected Software
173 affected components
Google Android
Qualcomm Ar8035 Firmware
Qualcomm Ar8035
Qualcomm Csrb31024 Firmware
Qualcomm Csrb31024
Qualcomm Qca6174a Firmware
Qualcomm QCA6174A
Qualcomm Qca6390 Firmware
Qualcomm Qca6390
Qualcomm Qca6391 Firmware
Qualcomm Qca6391
Qualcomm Qca6426 Firmware
Qualcomm Qca6426
Qualcomm Qca6436 Firmware
Qualcomm Qca6436
Qualcomm Qca6564au Firmware
Qualcomm Qca6564au
Qualcomm Qca6574a Firmware
Qualcomm Qca6574a
Qualcomm Qca6574au Firmware
Qualcomm QCA6574AU
Qualcomm Qca6595au Firmware
Qualcomm Qca6595au
Qualcomm Qca6696 Firmware
Qualcomm Qca6696
Qualcomm Qca8081 Firmware
Qualcomm QCA8081
Qualcomm Qca8337 Firmware
Qualcomm Qca8337
Qualcomm Qca9377 Firmware
Qualcomm QCA9377
Qualcomm Qcm2290 Firmware
Qualcomm Qcm2290
Qualcomm Qcm4290 Firmware
Qualcomm Qcm4290
Qualcomm Qcm6490 Firmware
Qualcomm Qcm6490
Qualcomm Qcs2290 Firmware
Qualcomm Qcs2290
Qualcomm Qcs410 Firmware
Qualcomm Qcs410
Qualcomm Qcs4290 Firmware
Qualcomm Qcs4290
Qualcomm Qcs610 Firmware
Qualcomm Qcs610
Qualcomm Qcs6490 Firmware
Qualcomm Qcs6490
Qualcomm Qcx315 Firmware
Qualcomm Qcx315
Qualcomm Sa415m Firmware
Qualcomm Sa415m
Qualcomm Sa515m Firmware
Qualcomm Sa515m
Qualcomm Sa6145p Firmware
Qualcomm Sa6145p
Qualcomm Sa6150p Firmware
Qualcomm Sa6150p
Qualcomm Sa6155p Firmware
Qualcomm Sa6155p
Qualcomm Sa8145p Firmware
Qualcomm Sa8145p
Qualcomm Sa8150p Firmware
Qualcomm Sa8150p
Qualcomm Sa8155p Firmware
Qualcomm Sa8155p
Qualcomm Sa8195p Firmware
Qualcomm Sa8195p
Qualcomm Sd 675 Firmware
Qualcomm SD 675
Qualcomm Sd 8 Gen1 5g Firmware
Qualcomm Sm8475
Qualcomm Sd 8cx Gen2 Firmware
Qualcomm Sd 8cx Gen2
Qualcomm Sd460 Firmware
Qualcomm Sd460
Qualcomm Sd480 Firmware
Qualcomm Sd480
Qualcomm Sd662 Firmware
Qualcomm Sd662
Qualcomm Sd665 Firmware
Qualcomm Sd665
Qualcomm Sd675 Firmware
Qualcomm Sd675
Qualcomm Sd678 Firmware
Qualcomm Sd678
Qualcomm Sd690 5g Firmware
Qualcomm Sd690 5g
Qualcomm Sd720g Firmware
Qualcomm Sd720g
Qualcomm Sd730 Firmware
Qualcomm Sd730
Qualcomm Sd750g Firmware
Qualcomm Sd750g
Qualcomm Sd765 Firmware
Qualcomm Sd765
Qualcomm Sd765g Firmware
Qualcomm Sd765g
Qualcomm Sd768g Firmware
Qualcomm Sd768g
Qualcomm Sd778g Firmware
Qualcomm Sd778g
Qualcomm Sd7c Firmware
Qualcomm Sd7c
Qualcomm Sd865 5g Firmware
Qualcomm Sd865 5g
Qualcomm Sd870 Firmware
Qualcomm Sd870
Qualcomm Sd888 Firmware
Qualcomm Sd888
Qualcomm Sd888 5g Firmware
Qualcomm Sd888 5g
Qualcomm Sdx24 Firmware
Qualcomm SDX24
Qualcomm Sdx55 Firmware
Qualcomm Sdx55
Qualcomm Sdx55m Firmware
Qualcomm Sdx55m
Qualcomm Sdx65 Firmware
Qualcomm Sdx65
Qualcomm Sdxr2 5g Firmware
Qualcomm Sdxr2 5g
Qualcomm Sm6225 Firmware
Qualcomm Sm6225
Qualcomm Sm6250 Firmware
Qualcomm Sm6250
Qualcomm Sm6250p Firmware
Qualcomm Sm6250p
Qualcomm Sm6375 Firmware
Qualcomm Sm6375
Qualcomm Sm7250p Firmware
Qualcomm Sm7250p
Qualcomm Sm7315 Firmware
Qualcomm Sm7315
Qualcomm Sm7325p Firmware
Qualcomm Sm7325p
Qualcomm Wcd9340 Firmware
Qualcomm Wcd9340
Qualcomm Wcd9360 Firmware
Qualcomm Wcd9360
Qualcomm Wcd9370 Firmware
Qualcomm Wcd9370
Qualcomm Wcd9375 Firmware
Qualcomm Wcd9375
Qualcomm Wcd9380 Firmware
Qualcomm Wcd9380
Qualcomm Wcd9385 Firmware
Qualcomm Wcd9385
Qualcomm Wcn3910 Firmware
Qualcomm Wcn3910
Qualcomm Wcn3950 Firmware
Qualcomm Wcn3950
Qualcomm Wcn3980 Firmware
Qualcomm Wcn3980
Qualcomm Wcn3988 Firmware
Qualcomm Wcn3988
Qualcomm Wcn3990 Firmware
Qualcomm Wcn3990
Qualcomm Wcn3991 Firmware
Qualcomm Wcn3991
Qualcomm Wcn6750 Firmware
Qualcomm Wcn6750
Qualcomm Wcn6850 Firmware
Qualcomm Wcn6850
Qualcomm Wcn6851 Firmware
Qualcomm Wcn6851
Qualcomm Wcn6855 Firmware
Qualcomm WCN6855
Qualcomm Wcn6856 Firmware
Qualcomm Wcn6856
Qualcomm Wsa8830 Firmware
Qualcomm Wsa8830
Qualcomm Wsa8835 Firmware
Qualcomm Wsa8835
Event History
Jan 4, 2022
CVE Published
via Android·12:00 AM
Data Sourced
via Android·12:00 AM
SeverityAffected Software
Jan 13, 2022
CVE Published
via MITRE·11:40 AM
Data Sourced
via MITRE·11:40 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2021-30307?
CVE-2021-30307 is classified with a severity level of high due to its potential to cause denial of service.
2
How do I fix CVE-2021-30307?
To fix CVE-2021-30307, ensure that your firmware for the affected Qualcomm devices is updated to the latest version provided by the manufacturer.
3
What devices are affected by CVE-2021-30307?
CVE-2021-30307 impacts various Qualcomm firmware across Snapdragon Auto, Compute, Connectivity, as well as Consumer and Industrial IoT devices.
4
What types of DNS queries are involved in CVE-2021-30307?
CVE-2021-30307 involves improper validation of DNS responses specifically for PTR, NAPTR, or SRV query types.
5
Can CVE-2021-30307 be exploited remotely?
Yes, CVE-2021-30307 can potentially be exploited remotely if a malicious actor sends specially crafted DNS queries.