Critical severity · published Jun 28, 2023
CVE-2023-21517
Heap out-of-bound write vulnerability in Exynos baseband prior to SMR Jun-2023 Release 1 allows remote attacker to execute arbitrary code
9.8
CVSS
1.6%
EPSS
No
On KEV
Description
Heap out-of-bound write vulnerability in Exynos baseband prior to SMR Jun-2023 Release 1 allows remote attacker to execute arbitrary code.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SM
Samsung Mobile Devices · Samsung Mobile
Select devices using Exynos CP chipsets before SMR Jun-2023 Release 1 · source: vendor
EX
Exynos · Samsung
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-21517
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-21517
Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=06
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