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HIGH · 7.5

CVE-2021-30307

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, Snapdr...

Vulnerability Description

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

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
QualcommAr8035 Firmware-
QualcommAr8035-
QualcommCsrb31024 Firmware-
QualcommCsrb31024-
QualcommQca6174A Firmware-
QualcommQca6174A-
QualcommQca6390 Firmware-
QualcommQca6390-
QualcommQca6391 Firmware-
QualcommQca6391-
QualcommQca6426 Firmware-
QualcommQca6426-
QualcommQca6436 Firmware-
QualcommQca6436-
QualcommQca6564Au Firmware-
QualcommQca6564Au-
QualcommQca6574A Firmware-
QualcommQca6574A-
QualcommQca6574Au Firmware-
QualcommQca6574Au-

Related Weaknesses (CWE)

CWE-617

References

FAQ

What is CVE-2021-30307?

CVE-2021-30307 is a vulnerability with a CVSS score of 7.5 (HIGH). 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, Snapdr...

How severe is CVE-2021-30307?

CVE-2021-30307 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-30307?

Check the references section above for vendor advisories and patch information. Affected products include: Qualcomm Ar8035 Firmware, Qualcomm Ar8035, Qualcomm Csrb31024 Firmware, Qualcomm Csrb31024, Qualcomm Qca6174A Firmware.