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CVE-2023-21241

21
FAUCET Score

CVE-2023-21241 is an integer overflow vulnerability in the rw_i93_send_to_upper function of rw_i93.cc, affecting Google Android devices. This flaw allows for a local escalation of privilege without requiring user interaction or additional execution privileges. Rated 7.8 HIGH on the CVSS scale, it presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
11.0CPE matchmatch criteria
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*
12.0CPE matchmatch criteria
cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
12.1CPE matchmatch criteria
cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:*
13.0CPE matchmatch criteria
cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.10%
Probability of exploitation in next 30 days
EPSS Percentile
1.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0010 is in the 4th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

googlepatch availablevia nvd_reference
View patch

References

android.googlesource.com / platform/system/nfc/+/907d17eeefec6f672ea824e126406e6d8f6b56d8
Patch
source.android.com / security/bulletin/2023-07-01
PatchVendor Advisory