CVE-2026-21078
CVE-2026-21078 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-345.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v4: 4.7
- EPSS exploit prediction: 0% (1st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-345
- Affected product: Samsung Smart Switch
- Published:
- Last modified:
Description
Insufficient verification of data authenticity in Smart Switch trouble scanning mode prior to version 3.7.72.6 allows adjacent attackers to spoof device identity.
Frequently asked questions
- What is CVE-2026-21078?
- Insufficient verification of data authenticity in Smart Switch trouble scanning mode prior to version 3.7.72.6 allows adjacent attackers to spoof device identity.
- How severe is CVE-2026-21078?
- CVE-2026-21078 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-2026-21078 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-21078?
- CVE-2026-21078 affects Samsung Smart Switch. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-21078?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2026-21078 published?
- CVE-2026-21078 was published on 2026-08-10 and last updated on 2026-08-19.
References
Affected products (1)
- cpe:2.3:a:samsung:smart_switch:*:*:*:*:*:*:*:*
More vulnerabilities in Samsung Smart Switch
- CVE-2026-20998 — Critical (CVSS 9.8): Improper authentication in Smart Switch prior to version 3.7.69.15 allows remote attackers to bypass authentication.
- CVE-2026-20997 — Critical (CVSS 9.8): Improper verification of cryptographic signature in Smart Switch prior to version 3.7.69.15 allows remote attackers to…
- CVE-2025-21078 — High (CVSS 8.8): Use of insufficiently random value of secretKey in Smart Switch prior to version 3.7.68.6 allows adjacent attackers to…
- CVE-2025-21064 — High (CVSS 8.8): Improper authentication in Smart Switch prior to version 3.7.66.6 allows adjacent attackers to access transferring data.
- CVE-2025-21062 — High (CVSS 7.8): Use of a broken or risky cryptographic algorithm in Smart Switch prior to version 3.7.67.2 allows local attackers to…
- CVE-2026-20999 — High (CVSS 7.5): Authentication bypass by replay in Smart Switch prior to version 3.7.69.15 allows remote attackers to trigger…
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Other CWE-345 (Insufficient Verification of Data Authenticity) vulnerabilities
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- CVE-2014-8165 — Critical (CVSS 10.0): scripts/amsvis/powerpcAMS/amsnet.py in powerpc-utils-python uses the pickle Python module unsafely, which allows remote…
- CVE-2026-50195 — Critical (CVSS 9.9): containerd is an open-source container runtime. Versions prior to 2.3.2, 2.2.5 and 2.1.9 contain a vulnerability in the…
- CVE-2022-36130 — Critical (CVSS 9.9): HashiCorp Boundary up to 0.10.1 did not properly perform data integrity checks to ensure the resources were associated…
- CVE-2026-74875 — Critical (CVSS 9.8): openssl_encrypt versions before 1.4.0 silently skip JSON schema validation when the jsonschema library is not…
- CVE-2026-28185 — Critical (CVSS 9.8): Unauthenticated Broken Authentication in Log in with Google <= 1.4.2 versions.
Browse all CWE-345 (Insufficient Verification of Data Authenticity) vulnerabilities →