How severe is CVE-2017-7667?

CVE-2017-7667 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-7667 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7667?

CVE-2017-7667 primarily affects Apache Nifi. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-7667?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-7667 published?

CVE-2017-7667 was published on 2017-06-12 and last updated on 2026-06-17.

CVE-2017-7667

CVE-2017-7667 is a high-severity vulnerability in Apache Nifi with a CVSS 3.x base score of 7.5. 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-346.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-346
Affected product: Apache Nifi
Published: 2017-06-12
Last modified: 2026-06-17

Description

Apache NiFi before 0.7.4 and 1.x before 1.3.0 need to establish the response header telling browsers to only allow framing with the same origin.

Frequently asked questions

What is CVE-2017-7667?: Apache NiFi before 0.7.4 and 1.x before 1.3.0 need to establish the response header telling browsers to only allow framing with the same origin.
How severe is CVE-2017-7667?: CVE-2017-7667 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-7667 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7667?: CVE-2017-7667 primarily affects Apache Nifi. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-7667?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-7667 published?: CVE-2017-7667 was published on 2017-06-12 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:nifi:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:nifi:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:nifi:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:nifi:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:nifi:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:nifi:1.2.0:*:*:*:*:*:*:*

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Other CWE-346 vulnerabilities

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CVE-2026-16358 — Critical (CVSS 9.8): Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR…
CVE-2026-16349 — Critical (CVSS 9.8): Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR…
CVE-2023-49899 — Critical (CVSS 9.8): An unauthenticated remote attacker can execute any command on the affected device due to not correctly verifying the…
CVE-2026-6508 — Critical (CVSS 9.8): Origin Validation Error vulnerability in TUBITAK BILGEM Software Technologies Research Institute Liderahenk allows…

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