CVE-2023-21455 : Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 R

Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message.

Published 2023-03-16 21:15:12

Updated 2023-03-24 15:44:47

Source Samsung Mobile

View at NVD, CVE.org

Vulnerability category: BypassGain privilege

Products affected by CVE-2023-21455

Samsung » Exynos Firmware » Version: N/A
cpe:2.3:o:samsung:exynos_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Samsung » Exynos » Version: N/A

EPSS FAQ

0.19%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 39 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.9	MEDIUM	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N	1.6	4.2	Samsung Mobile
Attack Vector: Adjacent Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: High Availability: None
9.1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	3.9	5.2	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: None

CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Assigned by: mobile.security@samsung.com (Secondary)

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