How severe is CVE-2016-6517?

CVE-2016-6517 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-6517 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-2016-6517?

CVE-2016-6517 affects Liferay. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-6517?

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

When was CVE-2016-6517 published?

CVE-2016-6517 was published on 2017-01-23 and last updated on 2026-06-17.

CVE-2016-6517

CVE-2016-6517 is a critical-severity vulnerability in Liferay with a CVSS 3.x base score of 9.8. 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Liferay
Published: 2017-01-23
Last modified: 2026-06-17

Description

Directory traversal vulnerability in Liferay 5.1.0 allows remote attackers to have unspecified impact via a %2E%2E (encoded dot dot) in the minifierBundleDir parameter to barebone.jsp.

Frequently asked questions

What is CVE-2016-6517?: Directory traversal vulnerability in Liferay 5.1.0 allows remote attackers to have unspecified impact via a %2E%2E (encoded dot dot) in the minifierBundleDir parameter to barebone.jsp.
How severe is CVE-2016-6517?: CVE-2016-6517 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-6517 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-2016-6517?: CVE-2016-6517 affects Liferay. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-6517?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-6517 published?: CVE-2016-6517 was published on 2017-01-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:liferay:liferay:5.1.0:*:*:*:*:*:*:*

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