CVE-2023-33111

Local information disclosure via invalid calibration index

Published Apr 1, 2024 · Updated Aug 2, 2024

Improper array-index validation in Qualcomm Snapdragon audio firmware allows local users to disclose memory through an AFE calibration response. When the ADSP supplies a VI calibration state above MAX_FBSP_STATE, the AFE command uses the invalid state while constructing its response payload. Low-privileged local access is required, and the documented consequence is memory disclosure without integrity loss or service interruption.

CVSS severity5.5
Medium
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper array-index validation in Qualcomm Snapdragon audio firmware allows local users to disclose memory through an AFE calibration response. When the ADSP supplies a VI calibration state above MAX_FBSP_STATE, the AFE command uses the invalid state while constructing its response payload. Low-privileged local access is required, and the documented consequence is memory disclosure without integrity loss or service interruption.

The record

CVE
CVE-2023-33111
Published
Apr 1, 2024
Updated
Aug 2, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-129, T1005
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 1, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record 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=AR8035
  2. Affected versionversion=C-V2X 9150
  3. Affected versionversion=FastConnect 6700
  4. Affected versionversion=FastConnect 6800
  5. Affected versionversion=FastConnect 6900
  6. Affected versionversion=FastConnect 7800
  7. Affected versionversion=QAM8255P
  8. Affected versionversion=QAM8295P
  9. Affected versionversion=QAM8650P
  10. Affected versionversion=QAM8775P
  11. Affected versionversion=QAMSRV1H
  12. Affected versionversion=QAMSRV1M
  13. Affected versionversion=QCA6391
  14. Affected versionversion=QCA6426
  15. Affected versionversion=QCA6436
  16. Affected versionversion=QCA6574AU
  17. Affected versionversion=QCA6584AU
  18. Affected versionversion=QCA6696
  19. Affected versionversion=QCA6698AQ
  20. Affected versionversion=QCA8081
  21. Affected versionversion=QCA8337
  22. Affected versionversion=QCA9367
  23. Affected versionversion=QCA9377
  24. Affected versionversion=QCC710
  25. Affected versionversion=QCN6224
  26. Affected versionversion=QCN6274
  27. Affected versionversion=QCN9074
  28. Affected versionversion=QCS410
  29. Affected versionversion=QCS610
  30. Affected versionversion=QFW7114
  31. Affected versionversion=QFW7124
  32. Affected versionversion=Qualcomm Video Collaboration VC1 Platform
  33. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  34. Affected versionversion=SA6145P
  35. Affected versionversion=SA6150P
  36. Affected versionversion=SA6155P
  37. Affected versionversion=SA7255P
  38. Affected versionversion=SA8145P
  39. Affected versionversion=SA8150P
  40. Affected versionversion=SA8155P
  41. Affected versionversion=SA8195P
  42. Affected versionversion=SA8255P
  43. Affected versionversion=SA8295P
  44. Affected versionversion=SA8620P
  45. Affected versionversion=SA8650P
  46. Affected versionversion=SA8770P
  47. Affected versionversion=SA8775P
  48. Affected versionversion=SA9000P
  49. Affected versionversion=SD865 5G
  50. Affected versionversion=SD888
  51. Affected versionversion=SM7315
  52. Affected versionversion=SM7325P
  53. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  54. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  55. Affected versionversion=Snapdragon 780G 5G Mobile Platform
  56. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  57. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  58. Affected versionversion=Snapdragon 865 5G Mobile Platform
  59. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  60. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  61. Affected versionversion=Snapdragon 888 5G Mobile Platform
  62. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  63. Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
  64. Affected versionversion=Snapdragon Wear 4100+ Platform
  65. Affected versionversion=Snapdragon X55 5G Modem-RF System
  66. Affected versionversion=Snapdragon X75 5G Modem-RF System
  67. Affected versionversion=Snapdragon XR2 5G Platform
  68. Affected versionversion=SRV1H
  69. Affected versionversion=SRV1M
  70. Affected versionversion=SXR2130
  71. Affected versionversion=WCD9340
  72. Affected versionversion=WCD9341
  73. Affected versionversion=WCD9370
  74. Affected versionversion=WCD9375
  75. Affected versionversion=WCD9380
  76. Affected versionversion=WCD9385
  77. Affected versionversion=WCN3610
  78. Affected versionversion=WCN3660B
  79. Affected versionversion=WCN3680B
  80. Affected versionversion=WCN3950
  81. Affected versionversion=WCN3980
  82. Affected versionversion=WCN6740
  83. Affected versionversion=WSA8810
  84. Affected versionversion=WSA8815
  85. Affected versionversion=WSA8830
  86. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=C-V2X 9150; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=QAM8255P; version=QAM8295P; version=QAM8650P; version=QAM8775P; version=QAMSRV1H; version=QAMSRV1M; version=QCA6391; version=QCA6426; version=QCA6436; version=QCA6574AU; version=QCA6584AU; version=QCA6696; version=QCA6698AQ; version=QCA8081; version=QCA8337; version=QCA9367; version=QCA9377; version=QCC710; version=QCN6224; version=QCN6274; version=QCN9074; version=QCS410; version=QCS610; version=QFW7114; version=QFW7124; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=SA6145P; version=SA6150P; version=SA6155P; version=SA7255P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SA8620P; version=SA8650P; version=SA8770P; version=SA8775P; version=SA9000P; version=SD865 5G; version=SD888; version=SM7315; version=SM7325P; version=Snapdragon 778G 5G Mobile Platform; version=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE); version=Snapdragon 780G 5G Mobile Platform; version=Snapdragon 782G Mobile Platform (SM7325-AF); version=Snapdragon 7c+ Gen 3 Compute; version=Snapdragon 865 5G Mobile Platform; version=Snapdragon 865+ 5G Mobile Platform (SM8250-AB); version=Snapdragon 870 5G Mobile Platform (SM8250-AC); version=Snapdragon 888 5G Mobile Platform; version=Snapdragon 888+ 5G Mobile Platform (SM8350-AC); version=Snapdragon Auto 5G Modem-RF Gen 2; version=Snapdragon Wear 4100+ Platform; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=Snapdragon XR2 5G Platform; version=SRV1H; version=SRV1M; version=SXR2130; version=WCD9340; version=WCD9341; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3610; version=WCN3660B; version=WCN3680B; version=WCN3950; version=WCN3980; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8835

Published CVSS scores

5.5Qualcomm, Inc.CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-129Improper Validation of Array Index
T1005Data from Local System

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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