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CVE-2021-25370

54
FAUCET Score

CVE-2021-25370 is a memory corruption vulnerability in the dpu driver of Samsung Android devices, stemming from an incorrect file descriptor implementation. This flaw can lead to a kernel panic, resulting in a denial of service. With a CVSS score of 4.4 (Medium), it requires high privileges for local exploitation and has a high impact on availability. Notably, this vulnerability is actively exploited in the wild, as confirmed by its inclusion in the KEV catalog and media coverage highlighting its use by spyware vendors, despite a lack of public exploit code in common repositories.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:o:samsung:android:8.0:-:*:*:*:*:*:*
8.1CPE matchmatch criteria
cpe:2.3:o:samsung:android:8.1:-:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:samsung:android:9.0:smr-apr-2019-r1:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:samsung:android:9.0:smr-apr-2020-r1:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:samsung:android:9.0:smr-aug-2019-r1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.89%
Probability of exploitation in next 30 days
EPSS Percentile
55.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Nov 8, 2022
This CVE's current EPSS score of 0.0089 is in the 97th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
security.samsungmobile.com
Vendor Advisory
security.samsungmobile.com / securityUpdate.smsb
Vendor Advisory