How severe is CVE-2026-21005?

CVE-2026-21005 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-21005 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21005?

CVE-2026-21005 affects Samsung Smart Switch. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21005?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-21005 have an EU (EUVD) identifier?

Yes. CVE-2026-21005 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12325.

When was CVE-2026-21005 published?

CVE-2026-21005 was published on 2026-03-16 and last updated on 2026-06-17.

CVE-2026-21005

CVE-2026-21005 is a medium-severity vulnerability in Samsung Smart Switch with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-12325
Weakness: CWE-22
Affected product: Samsung Smart Switch
Published: 2026-03-16
Last modified: 2026-06-17

Description

Path traversal in Smart Switch prior to version 3.7.69.15 allows adjacent attackers to overwrite arbitrary files with Smart Switch privilege.

Frequently asked questions

What is CVE-2026-21005?: Path traversal in Smart Switch prior to version 3.7.69.15 allows adjacent attackers to overwrite arbitrary files with Smart Switch privilege.
How severe is CVE-2026-21005?: CVE-2026-21005 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-21005 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21005?: CVE-2026-21005 affects Samsung Smart Switch. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21005?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21005 have an EU (EUVD) identifier?: Yes. CVE-2026-21005 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12325.
When was CVE-2026-21005 published?: CVE-2026-21005 was published on 2026-03-16 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=03

Affected products (1)

cpe:2.3:a:samsung:smart_switch:*:*:*:*:*:*:*:*

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