CVE-2023-33070

Automotive OS DoS via unauthenticated secure IO calls

Published Dec 5, 2023 · Updated May 29, 2025

Improper authentication in Qualcomm Snapdragon Automotive OS allows local users to cause transient denial of service via secure IO calls. The secure IO call path accepts requests without correctly authenticating them, allowing an unauthenticated local caller to trigger the transient failure. Exploitation requires local access to the Automotive OS environment and results in a temporary service interruption rather than disclosed confidentiality or integrity impact.

CVSS severity7.1
High
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication in Qualcomm Snapdragon Automotive OS allows local users to cause transient denial of service via secure IO calls. The secure IO call path accepts requests without correctly authenticating them, allowing an unauthenticated local caller to trigger the transient failure. Exploitation requires local access to the Automotive OS environment and results in a temporary service interruption rather than disclosed confidentiality or integrity impact.

The record

CVE
CVE-2023-33070
Published
Dec 5, 2023
Updated
May 29, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-287, T1499
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 5, 2023CVE publishedPublication date reported by the CVE source.
  2. May 29, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=AQT1000
  2. Affected versionversion=AR8031
  3. Affected versionversion=AR8035
  4. Affected versionversion=CSRA6620
  5. Affected versionversion=CSRA6640
  6. Affected versionversion=CSRB31024
  7. Affected versionversion=C-V2X 9150
  8. Affected versionversion=FastConnect 6200
  9. Affected versionversion=QAM8255P
  10. Affected versionversion=QAM8295P
  11. Affected versionversion=QAM8775P
  12. Affected versionversion=QCA6174A
  13. Affected versionversion=QCA6310
  14. Affected versionversion=QCA6335
  15. Affected versionversion=QCA6391
  16. Affected versionversion=QCA6420
  17. Affected versionversion=QCA6430
  18. Affected versionversion=QCA6564
  19. Affected versionversion=QCA6564AU
  20. Affected versionversion=QCA6574
  21. Affected versionversion=QCA6574A
  22. Affected versionversion=QCA6574AU
  23. Affected versionversion=QCA6595
  24. Affected versionversion=QCA6595AU
  25. Affected versionversion=QCA6696
  26. Affected versionversion=QCA6698AQ
  27. Affected versionversion=QCA8337
  28. Affected versionversion=QCA9377
  29. Affected versionversion=QCM6125
  30. Affected versionversion=QCN9074
  31. Affected versionversion=QCS410
  32. Affected versionversion=QCS610
  33. Affected versionversion=QCS6125
  34. Affected versionversion=QCS8155
  35. Affected versionversion=Qualcomm 205 Mobile Platform
  36. Affected versionversion=Qualcomm 215 Mobile Platform
  37. Affected versionversion=Qualcomm Video Collaboration VC1 Platform
  38. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  39. Affected versionversion=Robotics RB3 Platform
  40. Affected versionversion=SA6145P
  41. Affected versionversion=SA6150P
  42. Affected versionversion=SA6155
  43. Affected versionversion=SA6155P
  44. Affected versionversion=SA8145P
  45. Affected versionversion=SA8150P
  46. Affected versionversion=SA8155
  47. Affected versionversion=SA8155P
  48. Affected versionversion=SA8195P
  49. Affected versionversion=SA8255P
  50. Affected versionversion=SA8295P
  51. Affected versionversion=SA8540P
  52. Affected versionversion=SA8770P
  53. Affected versionversion=SA8775P
  54. Affected versionversion=SA9000P
  55. Affected versionversion=SD660
  56. Affected versionversion=SD675
  57. Affected versionversion=SD 675
  58. Affected versionversion=SD730
  59. Affected versionversion=SD855
  60. Affected versionversion=SDM429W
  61. Affected versionversion=SDX55
  62. Affected versionversion=Smart Audio 400 Platform
  63. Affected versionversion=Snapdragon 210 Processor
  64. Affected versionversion=Snapdragon 212 Mobile Platform
  65. Affected versionversion=Snapdragon 429 Mobile Platform
  66. Affected versionversion=Snapdragon 660 Mobile Platform
  67. Affected versionversion=Snapdragon 665 Mobile Platform
  68. Affected versionversion=Snapdragon 675 Mobile Platform
  69. Affected versionversion=Snapdragon 678 Mobile Platform (SM6150-AC)
  70. Affected versionversion=Snapdragon 730G Mobile Platform (SM7150-AB)
  71. Affected versionversion=Snapdragon 730 Mobile Platform (SM7150-AA)
  72. Affected versionversion=Snapdragon 732G Mobile Platform (SM7150-AC)
  73. Affected versionversion=Snapdragon 845 Mobile Platform
  74. Affected versionversion=Snapdragon 855+/860 Mobile Platform (SM8150-AC)
  75. Affected versionversion=Snapdragon 855 Mobile Platform
  76. Affected versionversion=Snapdragon Auto 4G Modem
  77. Affected versionversion=Snapdragon Auto 5G Modem-RF
  78. Affected versionversion=Snapdragon Wear 4100+ Platform
  79. Affected versionversion=Snapdragon X24 LTE Modem
  80. Affected versionversion=Vision Intelligence 300 Platform
  81. Affected versionversion=Vision Intelligence 400 Platform
  82. Affected versionversion=WCD9326
  83. Affected versionversion=WCD9335
  84. Affected versionversion=WCD9340
  85. Affected versionversion=WCD9341
  86. Affected versionversion=WCD9360
  87. Affected versionversion=WCD9370
  88. Affected versionversion=WCD9371
  89. Affected versionversion=WCD9375
  90. Affected versionversion=WCN3610
  91. Affected versionversion=WCN3615
  92. Affected versionversion=WCN3620
  93. Affected versionversion=WCN3660B
  94. Affected versionversion=WCN3680
  95. Affected versionversion=WCN3680B
  96. Affected versionversion=WCN3950
  97. Affected versionversion=WCN3980
  98. Affected versionversion=WCN3990
  99. Affected versionversion=WSA8810
  100. Affected versionversion=WSA8815

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AQT1000; version=AR8031; version=AR8035; version=CSRA6620; version=CSRA6640; version=CSRB31024; version=C-V2X 9150; version=FastConnect 6200; version=QAM8255P; version=QAM8295P; version=QAM8775P; version=QCA6174A; version=QCA6310; version=QCA6335; version=QCA6391; version=QCA6420; version=QCA6430; version=QCA6564; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6595; version=QCA6595AU; version=QCA6696; version=QCA6698AQ; version=QCA8337; version=QCA9377; version=QCM6125; version=QCN9074; version=QCS410; version=QCS610; version=QCS6125; version=QCS8155; version=Qualcomm 205 Mobile Platform; version=Qualcomm 215 Mobile Platform; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=Robotics RB3 Platform; version=SA6145P; version=SA6150P; version=SA6155; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SA8540P; version=SA8770P; version=SA8775P; version=SA9000P; version=SD660; version=SD675; version=SD 675; version=SD730; version=SD855; version=SDM429W; version=SDX55; version=Smart Audio 400 Platform; version=Snapdragon 210 Processor; version=Snapdragon 212 Mobile Platform; version=Snapdragon 429 Mobile Platform; version=Snapdragon 660 Mobile Platform; version=Snapdragon 665 Mobile Platform; version=Snapdragon 675 Mobile Platform; version=Snapdragon 678 Mobile Platform (SM6150-AC); version=Snapdragon 730G Mobile Platform (SM7150-AB); version=Snapdragon 730 Mobile Platform (SM7150-AA); version=Snapdragon 732G Mobile Platform (SM7150-AC); version=Snapdragon 845 Mobile Platform; version=Snapdragon 855+/860 Mobile Platform (SM8150-AC); version=Snapdragon 855 Mobile Platform; version=Snapdragon Auto 4G Modem; version=Snapdragon Auto 5G Modem-RF; version=Snapdragon Wear 4100+ Platform; version=Snapdragon X24 LTE Modem; version=Vision Intelligence 300 Platform; version=Vision Intelligence 400 Platform; version=WCD9326; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9360; version=WCD9370; version=WCD9371; version=WCD9375; version=WCN3610; version=WCN3615; version=WCN3620; version=WCN3660B; version=WCN3680; version=WCN3680B; version=WCN3950; version=WCN3980; version=WCN3990; version=WSA8810; version=WSA8815

Published CVSS scores

7.1Qualcomm CNACVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication
T1499Endpoint Denial of Service

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

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Your stack

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