CVE-2016-6802

Improper Access Control in Apache Shiro

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: None

Exploit likelihood

9.68%Up 8.7 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

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.

Record: CVE-2016-6802
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness: CWE-284
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2016-6802
Updated: 2026-11-02

EUVDEUVD-2022-2425 No score

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.

Record: EUVD-2022-2425
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4q2v-j639-cp7p 7.5

Improper Access Control in Apache Shiro

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.

Record: GHSA-4q2v-j639-cp7p
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-284
Updated: 2026-11-02

OSV 7.5

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.

Record: CVE-2016-6802
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2016-6802 7.5

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.

Record: DEBIAN-CVE-2016-6802
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

OSVGHSA-4q2v-j639-cp7p 7.5

Improper Access Control in Apache Shiro

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.

Record: GHSA-4q2v-j639-cp7p
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-284
Updated: 2026-11-02

OSVUBUNTU-CVE-2016-6802 7.5

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.

Record: UBUNTU-CVE-2016-6802
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

OSVUSN-7147-1 No score

shiro vulnerabilities

It was discovered that Apache Shiro incorrectly handled path traversal when used with other web frameworks or path rewriting. An attacker could possibly use this issue to obtain sensitive information or administrative privileges. This update provides the corresponding fix for Ubuntu 24.04 LTS and Ubuntu 24.10. (CVE-2023-34478, CVE-2023-46749)

It was discovered that Apache Shiro incorrectly handled web redirects when used together with the form authentication method. An attacker could possibly use this issue to perform phishing attacks. This update provides the corresponding fix for Ubuntu 24.04 LTS and Ubuntu 24.10. (CVE-2023-46750)

It was discovered that Apache Shiro incorrectly handled requests through servlet filtering. An attacker could possibly use this issue to obtain administrative privileges. This update provides the corresponding fix for Ubuntu 16.04 LTS. (CVE-2016-6802)

Record: USN-7147-1
Updated: 2026-11-02

Affected products

apache shiro

Affected packages

Affected packages
Package	Affected	Fixed
`org.apache.shiro:shiro-all` Maven	before 1.3.2	1.3.2
`org.apache.shiro:shiro-web` Maven	before 1.3.2	1.3.2
`shiro` Debian:12	before 1.3.2-1	1.3.2-1
`shiro` Debian:13	before 1.3.2-1	1.3.2-1
`shiro` Debian:14	before 1.3.2-1	1.3.2-1
`org.apache.shiro:shiro-all` Maven	before 1.3.2, plus listed versions 1.0.0-incubating1.1.01.2.01.2.11.2.2 Show 6 moreShow less 1.2.31.2.41.2.51.2.61.3.01.3.1	1.3.2
`org.apache.shiro:shiro-web` Maven	before 1.3.2, plus listed versions 1.0.0-incubating1.1.01.2.01.2.11.2.2 Show 6 moreShow less 1.2.31.2.41.2.51.2.61.3.01.3.1	1.3.2
`shiro` Ubuntu:Pro:16.04:LTS	before 1.2.4-1ubuntu0.1~esm2, plus listed versions 1.2.4-11.2.4-1ubuntu0.1~esm1	1.2.4-1ubuntu0.1~esm2
`shiro` Ubuntu:Pro:24.04:LTS	before 1.3.2-5ubuntu0.24.04.1~esm1, plus listed versions 1.3.2-5	1.3.2-5ubuntu0.24.04.1~esm1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-6802 is a high vulnerability (CVSS 7.5) in Apache Shiro, published September 20, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.68%, the 95th percentile. Fixed in org.apache.shiro:shiro-all 1.3.2.

References

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