CVE-2021-25372

Samsung Mobile Devices: Improper Boundary Check

As of , CVE-2021-25372 in Samsung Mobile Devices is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 29 June 2023
US federal deadline
20 July 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.01Higher than 55% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.00 on 29 June 2023EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: security.samsungmobile.comLinks below, from CISA's entry.

What CISA says to do

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

CISA's required action

What the flaw is

Samsung mobile devices contain an improper boundary check vulnerability within DSP driver that allows for out-of-bounds memory access.

CISA's description

An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.

The CVE record's description, from Samsung Mobile

CVE published
26 March 2021
Assigned by
Samsung Mobile
CVSS
6.1 Medium (CVSS 3.1, from the CNA)
CWE-703
Improper Check or Handling of Exceptional Conditions
CWE-787
Out-of-bounds Write
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Mobile Devices: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2025-21042Out-of-Bounds WriteSamsung Mobile DevicesPatch soon0.33
CVE-2021-25337Improper Access ControlSamsung Mobile DevicesPatch soon0.03
CVE-2023-21492Insertion of Sensitive Information Into Log FileSamsung Mobile DevicesPatch soon0.03
CVE-2025-21043Out-of-Bounds WriteSamsung Mobile DevicesPatch soon0.02
CVE-2021-25369Improper Access ControlSamsung Mobile DevicesPatch soon0.01
CVE-2021-25370Memory CorruptionSamsung Mobile DevicesPatch soon0.01
CVE-2021-25371UnspecifiedSamsung Mobile DevicesPatch soon0.01
CVE-2021-25487Out-of-Bounds ReadSamsung Mobile DevicesPatch soon0.01
CVE-2021-25489Improper Input ValidationSamsung Mobile DevicesPatch soon0.01
CVE-2021-25394Race ConditionSamsung Mobile DevicesPatch soon0.00

All 13 entries for Mobile Devices

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