How severe is CVE-2017-7666?

CVE-2017-7666 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-7666 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-2017-7666?

CVE-2017-7666 primarily affects Apache Openmeetings. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-7666?

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-2017-7666 published?

CVE-2017-7666 was published on 2017-07-17 and last updated on 2026-06-17.

CVE-2017-7666

CVE-2017-7666 is a high-severity vulnerability in Apache Openmeetings with a CVSS 3.x base score of 8.8. 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-79.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apache Openmeetings
Published: 2017-07-17
Last modified: 2026-06-17

Description

Apache OpenMeetings 1.0.0 is vulnerable to Cross-Site Request Forgery (CSRF) attacks, XSS attacks, click-jacking, and MIME based attacks.

Frequently asked questions

What is CVE-2017-7666?: Apache OpenMeetings 1.0.0 is vulnerable to Cross-Site Request Forgery (CSRF) attacks, XSS attacks, click-jacking, and MIME based attacks.
How severe is CVE-2017-7666?: CVE-2017-7666 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-7666 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-2017-7666?: CVE-2017-7666 primarily affects Apache Openmeetings. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-7666?: 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-2017-7666 published?: CVE-2017-7666 was published on 2017-07-17 and last updated on 2026-06-17.

References

http://markmail.org/message/fkesu4e5hhz5xdbg

Affected products (21)

cpe:2.3:a:apache:openmeetings:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:2.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:2.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.0.7:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.1.5:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:openmeetings:3.2.1:*:*:*:*:*:*:*

More vulnerabilities in Apache Openmeetings

CVE-2017-7664 — Critical (CVSS 10.0): Uploaded XML documents were not correctly validated in Apache OpenMeetings 3.1.0.
CVE-2024-54676 — Critical (CVSS 9.8): Vendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.1.0 before 8.0.0 Description:…
CVE-2023-28326 — Critical (CVSS 9.8): Vendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.0.0 before 7.0.0 Description:…
CVE-2016-8736 — Critical (CVSS 9.8): Apache OpenMeetings before 3.1.2 is vulnerable to Remote Code Execution via RMI deserialization attack.
CVE-2017-7673 — Critical (CVSS 9.8): Apache OpenMeetings 1.0.0 uses not very strong cryptographic storage, captcha is not used in registration and forget…
CVE-2017-7681 — High (CVSS 8.8): Apache OpenMeetings 1.0.0 is vulnerable to SQL injection. This allows authenticated users to modify the structure of…

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