CVE-2020-9987
CVE-2020-9987 is a medium-severity vulnerability in Apple Safari with a CVSS 3.x base score of 4.3. 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-1021.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (53rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1021
- Affected product: Apple Safari
- Published:
- Last modified:
Description
An inconsistent user interface issue was addressed with improved state management. This issue is fixed in Safari 14.0. Visiting a malicious website may lead to address bar spoofing.
Frequently asked questions
- What is CVE-2020-9987?
- An inconsistent user interface issue was addressed with improved state management. This issue is fixed in Safari 14.0. Visiting a malicious website may lead to address bar spoofing.
- How severe is CVE-2020-9987?
- CVE-2020-9987 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2020-9987 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-9987?
- CVE-2020-9987 affects Apple Safari. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-9987?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-9987 published?
- CVE-2020-9987 was published on 2020-12-08 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
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