CVE-2021-25521
CVE-2021-25521 is a medium-severity vulnerability in Samsung Internet with a CVSS 3.x base score of 4.0. 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-552.
Key facts
- Severity: Medium (CVSS 3.x base score 4.0)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (11th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-552
- Affected product: Samsung Internet
- Published:
- Last modified:
Description
Insecure caller check in sharevia deeplink logic prior to Samsung Internet 16.0.2 allows unstrusted applications to get current tab URL in Samsung Internet.
Frequently asked questions
- What is CVE-2021-25521?
- Insecure caller check in sharevia deeplink logic prior to Samsung Internet 16.0.2 allows unstrusted applications to get current tab URL in Samsung Internet.
- How severe is CVE-2021-25521?
- CVE-2021-25521 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2021-25521 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25521?
- CVE-2021-25521 affects Samsung Internet. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-25521?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-25521 published?
- CVE-2021-25521 was published on 2021-12-08 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:samsung:internet:*:*:*:*:*:*:*:*
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