Details of VAR-202112-0548

ID

VAR-202112-0548

CVE

CVE-2021-25516

TITLE

Android Vulnerability in handling exceptional conditions in

Trust: 0.8

sources: JVNDB: JVNDB-2021-016953

DESCRIPTION

An improper check or handling of exceptional conditions in Exynos baseband prior to SMR Dec-2021 Release 1 allows attackers to track locations. Android Exists in a vulnerability in handling exceptional conditions.Information may be obtained. Samsung RRC MeasurementReport is a radio resource control protocol measurement report for Samsung mobile devices. The vulnerability is caused by the lack of correct RRC security variable checks in the Exynos baseband. Attackers can use this vulnerability to track location

Trust: 2.16

sources: NVD: CVE-2021-25516 // JVNDB: JVNDB-2021-016953 // CNVD: CNVD-2025-02725

IOT TAXONOMY

category:

['IoT']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-02725

AFFECTED PRODUCTS

vendor:	google	model:	android	scope:	eq	version:	10.0	Trust: 1.0
vendor:	google	model:	android	scope:	eq	version:	9.0	Trust: 1.0
vendor:	google	model:	android	scope:	eq	version:	11.0	Trust: 1.0
vendor:	google	model:	android	scope:	eq	version:	-	Trust: 0.8
vendor:	google	model:	android	scope:	-	version:	-	Trust: 0.8
vendor:	samsung	model:	mobile devices r	scope:	-	version:	-	Trust: 0.6
vendor:	samsung	model:	mobile devices q	scope:	-	version:	-	Trust: 0.6
vendor:	samsung	model:	mobile devices p	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-02725 // JVNDB: JVNDB-2021-016953 // NVD: CVE-2021-25516

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-25516
value:	HIGH
Trust: 1.0
mobile.security@samsung.com:	CVE-2021-25516
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2021-25516
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2025-02725
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202112-655
value:	HIGH
Trust: 0.6

nvd@nist.gov:	CVE-2021-25516
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2025-02725
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2021-25516
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0
mobile.security@samsung.com:	CVE-2021-25516
baseSeverity:	MEDIUM
baseScore:	6.4
vectorString:	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
attackVector:	ADJACENT
attackComplexity:	HIGH
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	LOW
availabilityImpact:	LOW
exploitabilityScore:	1.6
impactScore:	4.7
version:	3.1
Trust: 1.0
NVD:	CVE-2021-25516
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2025-02725 // JVNDB: JVNDB-2021-016953 // CNNVD: CNNVD-202112-655 // NVD: CVE-2021-25516 // NVD: CVE-2021-25516

PROBLEMTYPE DATA

problemtype:	CWE-703	Trust: 1.0
problemtype:	CWE-755	Trust: 1.0
problemtype:	Improper handling in exceptional conditions (CWE-755) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-016953 // NVD: CVE-2021-25516

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-655

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202112-655

PATCH

title:	top page	url:	https://www.android.com/	Trust: 0.8
title:	Patch for Samsung RRC MeasurementReport abnormal condition handling vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/354641	Trust: 0.6
title:	Samsung SMR Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=174855	Trust: 0.6

sources: CNVD: CNVD-2025-02725 // JVNDB: JVNDB-2021-016953 // CNNVD: CNNVD-202112-655

EXTERNAL IDS

db:	NVD	id:	CVE-2021-25516	Trust: 3.8
db:	JVNDB	id:	JVNDB-2021-016953	Trust: 0.8
db:	CNVD	id:	CNVD-2025-02725	Trust: 0.6
db:	CNNVD	id:	CNNVD-202112-655	Trust: 0.6

sources: CNVD: CNVD-2025-02725 // JVNDB: JVNDB-2021-016953 // CNNVD: CNNVD-202112-655 // NVD: CVE-2021-25516

REFERENCES

url:	https://security.samsungmobile.com/securityupdate.smsb?year=2021&month=12	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2021-25516	Trust: 2.0

sources: CNVD: CNVD-2025-02725 // JVNDB: JVNDB-2021-016953 // CNNVD: CNNVD-202112-655 // NVD: CVE-2021-25516

SOURCES

db:	CNVD	id:	CNVD-2025-02725
db:	JVNDB	id:	JVNDB-2021-016953
db:	CNNVD	id:	CNNVD-202112-655
db:	NVD	id:	CVE-2021-25516

LAST UPDATE DATE

2025-02-14T23:12:57.723000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-02725	date:	2025-02-12T00:00:00
db:	JVNDB	id:	JVNDB-2021-016953	date:	2022-12-27T05:17:00
db:	CNNVD	id:	CNNVD-202112-655	date:	2021-12-16T00:00:00
db:	NVD	id:	CVE-2021-25516	date:	2021-12-13T17:55:34.503

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-02725	date:	2025-02-12T00:00:00
db:	JVNDB	id:	JVNDB-2021-016953	date:	2022-12-27T00:00:00
db:	CNNVD	id:	CNNVD-202112-655	date:	2021-12-08T00:00:00
db:	NVD	id:	CVE-2021-25516	date:	2021-12-08T15:15:08.260