How severe is CVE-2017-3165?

CVE-2017-3165 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-3165 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3165?

CVE-2017-3165 affects Apache Brooklyn. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-3165?

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

When was CVE-2017-3165 published?

CVE-2017-3165 was published on 2017-09-13 and last updated on 2026-06-17.

CVE-2017-3165

CVE-2017-3165 is a medium-severity vulnerability in Apache Brooklyn with a CVSS 3.x base score of 5.4. 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: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apache Brooklyn
Published: 2017-09-13
Last modified: 2026-06-17

Description

In Apache Brooklyn before 0.10.0, the REST server is vulnerable to cross-site scripting where one authenticated user can cause scripts to run in the browser of another user authorized to access the first user's resources. This is due to improper escaping of server-side content. There is known to be a proof-of-concept exploit using this vulnerability.

Frequently asked questions

What is CVE-2017-3165?: In Apache Brooklyn before 0.10.0, the REST server is vulnerable to cross-site scripting where one authenticated user can cause scripts to run in the browser of another user authorized to access the first user's resources. This is due to improper escaping of server-side content. There is known to be a proof-of-concept exploit using this vulnerability.
How severe is CVE-2017-3165?: CVE-2017-3165 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-3165 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3165?: CVE-2017-3165 affects Apache Brooklyn. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-3165?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-3165 published?: CVE-2017-3165 was published on 2017-09-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:brooklyn:*:*:*:*:*:*:*:*

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