CVE-2021-25489

mediumpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.005 · 44 %ileEUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

0.53% (44th) EPSS

CVSS 4.9 · medium

Is it mine?

5 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

added 2023-06-29remediate by 2023-07-20

required action Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

EPSS · scored 2026-10-22

Samsung Mobile Devices Improper Input Validation Vulnerability

Assuming radio permission is gained, missing input validation in modem interface driver prior to SMR Oct-2021 Release 1 results in format string bug leading to kernel panic.

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.3–5.5

v2.04.9mediumAV:L/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 6.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.13.3lowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.13.3lowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · mobile.security@samsung.comexploitability 1.8 · impact 1.4

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-134USprimaryCWE-20US

affected products (5)

Products and version ranges known to be affected.

Samsung Mobile Samsung Mobile DevicesO(8.1), P(9.0), Q(10.0), R(11.0) → SMR Oct-2021 Release 1enisa_euvdEU
samsung android= 10.0nvdUScpe:2.3:o:samsung:android:*:*:*:*:*:*:*:*
samsung android= 11.0nvdUScpe:2.3:o:samsung:android:*:*:*:*:*:*:*:*
samsung android= 8.1nvdUScpe:2.3:o:samsung:android:*:*:*:*:*:*:*:*
samsung android= 9.0nvdUScpe:2.3:o:samsung:android:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-10-06modified 2026-06-17

related (781)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2024-23113US	critical9.8OT critical	61.7% (99th)	KEV	2024-02-15
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CVE-2020-3118US	high8.8OT critical	11.7% (96th)	KEV	2020-02-05
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CVE-2019-1579US	high8.1OT critical	46.2% (99th)	KEV	2019-07-19
Remote Code Execution in PAN-OS 7.1.18 and earlier, PAN-OS 8.0.11-h1 and earlier, and PAN-OS 8.1.2 and earlier with GlobalProtect Portal or GlobalProtect Gateway Interface enabled…
CVE-2018-0175US	high8.0OT critical	3.48% (89th)	KEV	2018-03-28
Format String vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthentic…
CVE-2018-0167US	high8.8OT critical	3.35% (89th)	KEV	2018-03-28
Multiple Buffer Overflow vulnerabilities in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow a…

+776 more

references (5)

External citations — patches, advisories, analysis.

scry

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