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CVE-2023-21241

In rw_i93_send_to_upper of rw_i93.cc, there is a possible out of bounds write due to an integer...

7.8 HighFix available

CVE-2023-21241 is a high vulnerability (CVSS 7.8) in Google Android, published July 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 0th percentile. Fixed in platform/system/nfc 13-next:2023-07-01.

What does this mean?
Severity
7.8 HighCVSS 3.1, NVD
Exploit chance
0.10%EPSS, 0th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
13-next:2023-07-01platform/system/nfc +4 more

Description

In rw_i93_send_to_upper of rw_i93.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.10%Up 0.1 points since Jul 14, 2023
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
platform/system/nfc
Android
13-next:0 up to 13-next:2023-07-01, plus listed versions
13-next
13-next:2023-07-01
platform/system/nfc
Android
11:0 up to 11:2023-07-01, plus listed versions
11
11:2023-07-01
platform/system/nfc
Android
12:0 up to 12:2023-07-01, plus listed versions
12
12:2023-07-01
platform/system/nfc
Android
12L:0 up to 12L:2023-07-01, plus listed versions
12L
12L:2023-07-01
platform/system/nfc
Android
13:0 up to 13:2023-07-01, plus listed versions
13
13:2023-07-01

What each source reports

NVD Score used7.8

In rw_i93_send_to_upper of rw_i93.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Record
CVE-2023-21241
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-190
Updated
2026-11-02
CVE ListNo score

In rw_i93_send_to_upper of rw_i93.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Record
CVE-2023-21241
Updated
2026-11-02
EUVDEUVD-2023-254090.0

In rw_i93_send_to_upper of rw_i93.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Record
EUVD-2023-25409
CVSS
0.0 NoneCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-j2q4-x9p4-5wx97.8

In rw_i93_send_to_upper of rw_i93.cc, there is a possible out of bounds write due to an integer...

In rw_i93_send_to_upper of rw_i93.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Record
GHSA-j2q4-x9p4-5wx9
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-190
Updated
2026-11-02
OSVASB-A-271849189No score

In rw_i93_send_to_upper of rw_i93.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Record
ASB-A-271849189
Updated
2026-11-10

History

History
RecordedChangedSources
factsOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

References

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