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ExploitedIn CISA KEV

CVE-2021-25371

Exploitation confirmed. First attested on 2023-06-29 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2021-03-26
  • WeaknessCWE-912

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability in DSP driver prior to SMR Mar-2021 Release 1 allows attackers load arbitrary ELF libraries inside DSP.

Timeline

dates in UTC
  1. 2021-03-2619:15CVE publishedNVD
  2. 2023-06-29Added to the CISA KEV catalogCISA KEV
  3. 2023-06-29Listed as exploited by GCVEGCVE
  4. 2023-06-29Exploitation first reportedCISA KEV
  5. 2025-02-0421:25SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-25371?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-25371?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Samsung androidversion to verify
BranchAffectedFixed in
10.0= 10.0no fix published
11.0= 11.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As Samsung Mobile, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Samsung Mobile Devices
    Affected
    • ≥ Q(10.0), R(11.0) devices with exynos980, exynos2100, exynos9830, < SMR Mar-2021 Release 1fixed in SMR Mar-2021 Release 1custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2021-03-26

Fix

  1. CISA’s required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailabledue 2023-07-20

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2023-06-29
Patch Due Date
2023-07-20
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2021-03-26
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-4g27-v2fc-m8fv

Frequently asked questions

What is CVE-2021-25371?

A vulnerability in DSP driver prior to SMR Mar-2021 Release 1 allows attackers load arbitrary ELF libraries inside DSP.

Is CVE-2021-25371 actively exploited?

Yes. CVE-2021-25371 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-07-20.

What is the CVSS score for CVE-2021-25371?

CVE-2021-25371 has a CVSS v3 base score of 6.7 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record