How severe is CVE-2016-6802?

CVE-2016-6802 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-2016-6802 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6802?

CVE-2016-6802 affects Apache Shiro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-6802?

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-2016-6802 published?

CVE-2016-6802 was published on 2016-09-20 and last updated on 2026-06-17.

CVE-2016-6802

CVE-2016-6802 is a high-severity vulnerability in Apache Shiro 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Apache Shiro
Published: 2016-09-20
Last modified: 2026-06-17

Description

Apache Shiro before 1.3.2 allows attackers to bypass intended servlet filters and gain access by leveraging use of a non-root servlet context path.

Frequently asked questions

What is CVE-2016-6802?: Apache Shiro before 1.3.2 allows attackers to bypass intended servlet filters and gain access by leveraging use of a non-root servlet context path.
How severe is CVE-2016-6802?: CVE-2016-6802 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-2016-6802 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6802?: CVE-2016-6802 affects Apache Shiro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-6802?: 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-2016-6802 published?: CVE-2016-6802 was published on 2016-09-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:shiro:1.3.1:*:*:*:*:*:*:*

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