CVE-2023-21489: Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a physical attacker to execute arbitrary code

Medium severity · published May 4, 2023

CVE-2023-21489

Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a physical attacker to execute arbitrary code

6.8

CVSS

0.3%

EPSS

On KEV

Description

Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a physical attacker to execute arbitrary code.

CVSS vector

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

Attack vector

Physical

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.3% · higher than 19% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Android · Samsung

11.0; 11.0; 11.0; 11.0; 11.0; 11.0; +34 more · source: NVD

Affected product

Android

Samsung

All Android CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2023-21489

CVE.org

https://www.cve.org/CVERecord?id=CVE-2023-21489

Vendor Advisory

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05