Skip to main content
ExploitedIn CISA KEV

CVE-2021-25395

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

  • Published2021-06-11
  • WeaknessCWE-362

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 race condition in MFC charger driver prior to SMR MAY-2021 Release 1 allows local attackers to bypass signature check given a radio privilege is compromised.

Timeline

dates in UTC
  1. 2021-06-1115:15CVE 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. 2025-02-0421:24SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 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-2021-25395?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-25395?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Samsung android
BranchAffectedFixed in
8.1= 8.1no fix published
9.0= 9.0no fix published
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
    • ≥ O(8.x), P(9.0), Q(10.0), R(11.0), < SMR MAY-2021 Release 1fixed in SMR MAY-2021 Release 1custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2021-06-11

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

  • CISA KEVKEV entry2023-06-29
  • ENISA EUVDexploitation2023-06-292023-06-29
  • GCVEexploitation2023-06-29
  • CISA-ADPSSVC decisionactive2025-02-04
  • OpenCVESSVC decisionactive—
  • CNACVSS 3.16.4known since 2026-10-23
  • NVDCVSS 3.16.4read 2026-10-23
  • NVDCVSS 2.04.4read 2026-10-23
  • CNAweakness (CWE)CWE-362known since 2026-10-23
  • NVDweakness (CWE)CWE-362read 2026-10-23
  • FIRST EPSSEPSS score0.4 %2026-11-03
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2021-06-11
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-fj4w-55pf-m8j9

Frequently asked questions

What is CVE-2021-25395?

A race condition in MFC charger driver prior to SMR MAY-2021 Release 1 allows local attackers to bypass signature check given a radio privilege is compromised.

Is CVE-2021-25395 actively exploited?

Yes. CVE-2021-25395 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-2021-25395?

CVE-2021-25395 has a CVSS v3 base score of 6.4 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, June 2023Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record