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CVE-2023-21634

Improper Restriction of Operations within the Bounds of a Memory Buffer in Radio Interface Layer

6.7 Medium

Memory Corruption in Radio Interface Layer while sending an SMS or writing an SMS to SIM.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.14%Up 0.1 points since Dec 5, 2023
90%50%10%1%

What each source reports

CVE List Score used 6.7

Improper Restriction of Operations within the Bounds of a Memory Buffer in Radio Interface Layer

Memory Corruption in Radio Interface Layer while sending an SMS or writing an SMS to SIM.

Record
CVE-2023-21634
CVSS 3.1
6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119
Updated
2026-11-02
EUVDEUVD-2023-25801 6.7

Memory Corruption in Radio Interface Layer while sending an SMS or writing an SMS to SIM.

Record
EUVD-2023-25801
CVSS 3.1
6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-r2r8-fq65-h82j 6.7

Memory Corruption in Radio Interface Layer while sending an SMS or writing an SMS to SIM.

Memory Corruption in Radio Interface Layer while sending an SMS or writing an SMS to SIM.

Record
GHSA-r2r8-fq65-h82j
CVSS 3.1
6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119, CWE-787
Updated
2026-11-02
NVD 6.7

Memory Corruption in Radio Interface Layer while sending an SMS or writing an SMS to SIM.

Record
CVE-2023-21634
CVSS 3.1
6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119, CWE-787
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-21634 is a medium vulnerability (CVSS 6.7) in Qualcomm Aqt1000 Firmware, published December 5, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. No source names a fixed version.

References

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