Is CVE-2023-21307 in the CISA KEV catalog?

No. CVE-2023-21307 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-21307?

CVE-2023-21307 has a CVSS v3 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2023-21307?

CVE-2023-21307 has an EPSS score of 0.09% (0th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-21307?

Upgrade android to 14.0 or later.

CVE & CISA-KEV Catalog

CVE-2023-21307

MEDIUM

5.0

CVSS v3

NVD

Description

In Bluetooth, there is a possible way for a paired Bluetooth device to access a long term identifier for an Android device due to a permissions bypass. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.

CWE-287Improper Authentication

How to fix

Remediation Available

androidNVD

Affected:< 14.0Fixed in:14.0CVE-2023-21307derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.09%probability of exploitation in 30 days

0thpercentile

Low risk: more likely to be exploited than 0% of all known CVEs.

References

Vendor Advisory1

source.android.com

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.