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CVE-2023-30699

25
FAUCET Score

CVE-2023-30699 is a critical out-of-bounds write vulnerability in the libsimba library affecting Samsung Android devices prior to the SMR Aug-2023 Release 1. This flaw allows remote attackers to achieve code execution with no user interaction required. With a CVSS score of 9.8, it poses a severe risk of complete compromise of confidentiality, integrity, and availability. Currently, there is no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
11.0CPE matchmatch criteria
cpe:2.3:o:samsung:android:11.0:-:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:samsung:android:11.0:smr-apr-2021-r1:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:samsung:android:11.0:smr-apr-2022-r1:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:samsung:android:11.0:smr-apr-2023-r1:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:samsung:android:11.0:smr-aug-2021-r1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.62%
Probability of exploitation in next 30 days
EPSS Percentile
46.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0062 is in the 27th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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

Remediation records are not available for this CVE.

References

security.samsungmobile.com / securityUpdate.smsb
Vendor Advisory