7.2

CVE-2021-25372: Samsung Mobile Devices Improper Boundary Check Vulnerability

CVSS: 7.2v2.0HighKEVAnalyzed
Published 26-03-2021Last modified 14-01-2026
Open JSON

Vulnerability summary

CVE-2021-25372 is a high (CVSS 7.2) Out-of-bounds Write vulnerability in Samsung Mobile Devices. It is known to be exploited: CISA lists it, first on 29-06-2023. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 56% of scored vulnerabilities.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v2.0 (NVD)
EPSS score
0.80%
0%100%
Low · 0.00 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-03-2021
    PublishedVulnerability first disclosed.
  2. 29-06-2023
    Added to CISA KEVSamsung Mobile Devices Improper Boundary Check Vulnerability
  3. 20-07-2023
    CISA remediation dueApply updates per vendor instructions or discontinue use of the product if updates are unavailable
  4. 14-01-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.80%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

0.00 pp

From 0.80% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.80%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
29-06-2023
Federal due date
20-07-2023

CISA required action

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable security.samsungmobile.com/securityUpdate.smsb?year=2021&month=3 nvd.nist.gov/vuln/detail/CVE-2021-25372

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Samsung1 product
  • android10.0:smr-feb-2021-r1 | 10.0:smr-jan-2021-r1 | 11.0:smr-feb-2021-r1 | 11.0:smr-jan-2021-r1
Samsung mobile1 product
  • samsung mobile devices≥ Q(10.0), R(11.0) devices with exynos980, exynos2100, exynos9830, < SMR Mar-2021 Release 1

2 vendors · 2 products

References

3 links