CVE-2023-30739

Name: CVE-2023-30739
Creator: NVD / NIST
Published: 2023-11-07T08:15:10.967+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2023-30739 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Arbitrary File Descriptor Write vulnerability in libsec-ril prior to SMR Nov-2023 Release 1 allows local attacker to execute arbitrary code.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

Arbitrary File Descriptor Write vulnerability in libsec-ril prior to SMR Nov-2023 Release 1 allows local attacker to execute arbitrary code.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.23%

13.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Samsung	Android	11.0
Samsung	Android	12.0
Samsung	Android	13.0

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=11Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=11Vendor Advisory

Timeline

Published: Nov 7, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-30739?

Arbitrary File Descriptor Write vulnerability in libsec-ril prior to SMR Nov-2023 Release 1 allows local attacker to execute arbitrary code.

How severe is CVE-2023-30739?

CVE-2023-30739 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2023-30739?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-30739?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST