Transient service interruption via invalid CSA channel
Published Sep 5, 2023 · Updated Aug 2, 2024
Improper authorization in Qualcomm Snapdragon WLAN Host allows remote attackers to interrupt wireless service via a crafted CSA element. During a channel switch announcement, the host accepts an invalid channel value from the CSA information element instead of rejecting it. No privileges or user interaction are required; the documented consequence is transient service loss, not data exposure or code execution.
Summary
What happened
Improper authorization in Qualcomm Snapdragon WLAN Host allows remote attackers to interrupt wireless service via a crafted CSA element. During a channel switch announcement, the host accepts an invalid channel value from the CSA information element instead of rejecting it. No privileges or user interaction are required; the documented consequence is transient service loss, not data exposure or code execution.
The record
- CVE
- CVE-2023-28584
- Published
- Sep 5, 2023
- Updated
- Aug 2, 2024
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-285, T1499
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 5, 2023CVE publishedPublication date reported by the CVE source.
- Aug 2, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=AQT1000
- Affected versionversion=CSRB31024
- Affected versionversion=FastConnect 6200
- Affected versionversion=FastConnect 6700
- Affected versionversion=FastConnect 6900
- Affected versionversion=FastConnect 7800
- Affected versionversion=QAM8255P
- Affected versionversion=QAM8295P
- Affected versionversion=QCA6310
- Affected versionversion=QCA6320
- Affected versionversion=QCA6420
- Affected versionversion=QCA6430
- Affected versionversion=QCA6554A
- Affected versionversion=QCA6564AU
- Affected versionversion=QCA6574
- Affected versionversion=QCA6574A
- Affected versionversion=QCA6574AU
- Affected versionversion=QCA6584AU
- Affected versionversion=QCA6595
- Affected versionversion=QCA6595AU
- Affected versionversion=QCA6696
- Affected versionversion=QCA6698AQ
- Affected versionversion=QCA6797AQ
- Affected versionversion=QCM4325
- Affected versionversion=QCM4490
- Affected versionversion=QCS410
- Affected versionversion=QCS4490
- Affected versionversion=QCS610
- Affected versionversion=QCS8550
- Affected versionversion=SA4150P
- Affected versionversion=SA6155P
- Affected versionversion=SA8155P
- Affected versionversion=SA8195P
- Affected versionversion=SA8255P
- Affected versionversion=SA8295P
- Affected versionversion=SD835
- Affected versionversion=SD855
- Affected versionversion=SD 8 Gen1 5G
- Affected versionversion=SG4150P
- Affected versionversion=SM4450
- Affected versionversion=Snapdragon 680 4G Mobile Platform
- Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
- Affected versionversion=Snapdragon 835 Mobile PC Platform
- Affected versionversion=Snapdragon 855+/860 Mobile Platform (SM8150-AC)
- Affected versionversion=Snapdragon 855 Mobile Platform
- Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
- Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
- Affected versionversion=Snapdragon AR2 Gen 1 Platform
- Affected versionversion=Snapdragon Auto 4G Modem
- Affected versionversion=Snapdragon Auto 5G Modem-RF
- Affected versionversion=SSG2115P
- Affected versionversion=SSG2125P
- Affected versionversion=SXR1230P
- Affected versionversion=SXR2230P
- Affected versionversion=WCD9335
- Affected versionversion=WCD9340
- Affected versionversion=WCD9341
- Affected versionversion=WCD9370
- Affected versionversion=WCD9375
- Affected versionversion=WCD9380
- Affected versionversion=WCD9385
- Affected versionversion=WCN3950
- Affected versionversion=WCN3980
- Affected versionversion=WCN3988
- Affected versionversion=WCN3990
- Affected versionversion=WCN6740
- Affected versionversion=WSA8810
- Affected versionversion=WSA8815
- Affected versionversion=WSA8830
- Affected versionversion=WSA8832
- Affected versionversion=WSA8835
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo