How severe is CVE-2017-2511?

CVE-2017-2511 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-2511 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2511?

CVE-2017-2511 affects Apple Safari. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2511?

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

When was CVE-2017-2511 published?

CVE-2017-2511 was published on 2017-05-22 and last updated on 2026-06-17.

CVE-2017-2511

CVE-2017-2511 is a medium-severity vulnerability in Apple Safari 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apple Safari
Published: 2017-05-22
Last modified: 2026-06-17

Description

An issue was discovered in certain Apple products. Safari before 10.1.1 is affected. The issue involves the "Safari" component. It allows remote attackers to spoof the address bar via a crafted web site.

Frequently asked questions

What is CVE-2017-2511?: An issue was discovered in certain Apple products. Safari before 10.1.1 is affected. The issue involves the "Safari" component. It allows remote attackers to spoof the address bar via a crafted web site.
How severe is CVE-2017-2511?: CVE-2017-2511 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-2511 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2511?: CVE-2017-2511 affects Apple Safari. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2511?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-2511 published?: CVE-2017-2511 was published on 2017-05-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*

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