CVE-2023-21503

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Potential buffer overflow vulnerability in mm_LteInterRatManagement.c in Shannon baseband prior to SMR May-2023 Release 1 allows remote attackers to cause invalid memory access.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2022-11-14 CVE Reserved
2023-05-04 CVE Published
2025-02-12 CVE Updated
2025-04-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation
CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05	2023-05-11

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Samsung Search vendor "Samsung"	Android Search vendor "Samsung" for product "Android"	13.0 Search vendor "Samsung" for product "Android" and version "13.0"	-	Affected	in	Samsung Search vendor "Samsung"	Exynos Search vendor "Samsung" for product "Exynos"	-	-	Safe
Samsung Search vendor "Samsung"	Android Search vendor "Samsung" for product "Android"	13.0 Search vendor "Samsung" for product "Android" and version "13.0"	smr-apr-2023-r1	Affected	in	Samsung Search vendor "Samsung"	Exynos Search vendor "Samsung" for product "Exynos"	-	-	Safe
Samsung Search vendor "Samsung"	Android Search vendor "Samsung" for product "Android"	13.0 Search vendor "Samsung" for product "Android" and version "13.0"	smr-dec-2022-r1	Affected	in	Samsung Search vendor "Samsung"	Exynos Search vendor "Samsung" for product "Exynos"	-	-	Safe
Samsung Search vendor "Samsung"	Android Search vendor "Samsung" for product "Android"	13.0 Search vendor "Samsung" for product "Android" and version "13.0"	smr-feb-2023-r1	Affected	in	Samsung Search vendor "Samsung"	Exynos Search vendor "Samsung" for product "Exynos"	-	-	Safe
Samsung Search vendor "Samsung"	Android Search vendor "Samsung" for product "Android"	13.0 Search vendor "Samsung" for product "Android" and version "13.0"	smr-jan-2023-r1	Affected	in	Samsung Search vendor "Samsung"	Exynos Search vendor "Samsung" for product "Exynos"	-	-	Safe
Samsung Search vendor "Samsung"	Android Search vendor "Samsung" for product "Android"	13.0 Search vendor "Samsung" for product "Android" and version "13.0"	smr-mar-2023-r1	Affected	in	Samsung Search vendor "Samsung"	Exynos Search vendor "Samsung" for product "Exynos"	-	-	Safe
Samsung Search vendor "Samsung"	Android Search vendor "Samsung" for product "Android"	13.0 Search vendor "Samsung" for product "Android" and version "13.0"	smr-nov-2022-r1	Affected	in	Samsung Search vendor "Samsung"	Exynos Search vendor "Samsung" for product "Exynos"	-	-	Safe
Samsung Search vendor "Samsung"	Android Search vendor "Samsung" for product "Android"	13.0 Search vendor "Samsung" for product "Android" and version "13.0"	smr-oct-2022-r1	Affected	in	Samsung Search vendor "Samsung"	Exynos Search vendor "Samsung" for product "Exynos"	-	-	Safe