CVE-2021-30307 - CVE House
Back to Database
Status published High CVE-2021-30307

Possible denial of service due to improper validation of DNS...

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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-30307

Credits & Attribution

No credits recorded in the NVD database.

References

More from Qualcomm, Inc.

View All →
CVE-2025-59617
Use After Free in Computer Vision
Medium 6.6
CVE-2025-59616
Use After Free in Computer Vision
Medium 6.6
CVE-2025-59615
Use After Free in Computer Vision
Medium 6.6
CVE-2025-59614
Out-of-bounds Write in Windows Compute
Medium 6.7
CVE-2025-59613
Stack-based Buffer Overflow in Windows Compute
Medium 6.7

Affected Vendor

Qualcomm, Inc.

View all reports →

Affected Software

Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT
Vulnerable Versions:
AR8035, CSRB31024, QCA6174A, QCA6390, QCA6391, QCA6426, QCA6436, QCA6564AU, QCA6574A, QCA6574AU, QCA6595AU, QCA6696, QCA8081, QCA8337, QCA9377, QCM2290, QCM4290, QCM6490, QCS2290, QCS410, QCS4290, QCS610, QCS6490, QCX315, SA415M, SA515M, SA6145P, SA6150P, SA6155P, SA8145P, SA8150P, SA8155P, SA8195P, SD 675, SD 8 Gen1 5G, SD 8cx Gen2, SD460, SD480, SD662, SD665, SD675, SD678, SD690 5G, SD720G, SD730, SD750G, SD765, SD765G, SD768G, SD778G, SD7c, SD865 5G, SD870, SD888, SD888 5G, SDX24, SDX55, SDX55M, SDX65, SDXR2 5G, SM6225, SM6250, SM6250P, SM6375, SM7250P, SM7315, SM7325P, WCD9340, WCD9360, WCD9370, WCD9375, WCD9380, WCD9385, WCN3910, WCN3950, WCN3980, WCN3988, WCN3990, WCN3991, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WSA8830, WSA8835

Timeline

Official Publish: January 13th, 2022
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.