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CVE-2025-20945· NVD / CVE Program· CNA SamsungMobile

Improper access control in Galaxy Watch prior to SMR Apr-2025 Release 1 allows local attackers to access sensitive information of Galaxy wat

Improper access control in Galaxy Watch prior to SMR Apr-2025 Release 1 allows local attackers to access sensitive information of Galaxy watch.

MediumCVSS 6.2 · v3.1—No exploit No fix recorded
Published
Apr 8, 2025
Updated
Jun 17, 2026
EPSS
0.2% · 5th percentile
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Action score

24

Monitor

Low priority for now.

CVSS
24 / 40 · 6.2 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
6.2
CNA · SamsungMobile
4.0
2.2 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
samsungwear os
samsunggalaxy watch
samsunggalaxy watch 4
samsunggalaxy watch 4 classic
samsunggalaxy watch 5
samsunggalaxy watch 5 pro
samsunggalaxy watch 6
samsunggalaxy watch 6 classic
samsunggalaxy watch 7
samsunggalaxy watch fe
samsunggalaxy watch ultra

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • samsung wear os5.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (SamsungMobile). Independent of NVD's CPE analysis and usually ahead of it.

  • Samsung Mobile Samsung Mobile Devices

    • SMR Apr-2025 Release in Android Watch 14not affected

Same product

samsung: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-20946Improper handling of exceptional conditions in pairing specific bluetooth devices in Galaxy Watch Bluetooth pairing prior to SMR Apr-2025 Re
    35Monitor
  • CVE-2025-20984Incorrect default permission in Samsung Cloud for Galaxy Watch prior to SMR Jun-2025 Release 1 allows local attackers to access data in Sams
    24Monitor
  • CVE-2025-20912Incorrect default permission in DiagMonAgent prior to SMR Mar-2025 Release 1 allows local attackers to access data within Galaxy Watch.
    24Monitor
  • CVE-2025-20910Incorrect default permission in Galaxy Watch Gallery prior to SMR Mar-2025 Release 1 allows local attackers to access data in Galaxy Watch G
    24Monitor
  • CVE-2025-21045Insecure storage of sensitive information in Galaxy Watch prior to SMR Oct-2025 Release 1 allows local attackers to access sensitive informa
    22Monitor
  • CVE-2025-21004Improper verification of intent by broadcast receiver in System UI for Galaxy Watch prior to SMR Jul-2025 Release 1 allows local attackers t
    22Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-2091233 days apartIncorrect default permission in DiagMonAgent prior to SMR Mar-2025 Release 1 allows local attackers to access data within Galaxy Watch.
    24Monitor
  • CVE-2025-21045185 days apartInsecure storage of sensitive information in Galaxy Watch prior to SMR Oct-2025 Release 1 allows local attackers to access sensitive informa
    22Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-922 · Insecure Storage of Sensitive Information

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records