CVE-2016-6802 Improper Access Control in Apache Shiro

What is CVE-2016-6802?

CVE-2016-6802 is a high-severity authentication bypass vulnerability in n/a, published on 20 Sep 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-284

Which versions are affected by CVE-2016-6802?

4 open source packages ship an affected version, including org.apache.shiro:shiro-all and org.apache.shiro:shiro-web. It affects 1 product.

Products include Apache Shiro.

How do I fix CVE-2016-6802?

Upgrade org.apache.shiro:shiro-all to 1.3.2 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2016-6802 being exploited?

There is no known exploitation of CVE-2016-6802 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2023-34478 Path Traversal in Apache Shiro Critical 9.8
• CVE-2022-40664 Authentication Bypass Vulnerability in Shiro when forwarding or including via RequestDispatcher Critical 9.8
• CVE-2022-32532 Authentication Bypass Vulnerability Critical 9.8
• CVE-2021-41303 Apache Shiro vulnerable to a specially crafted HTTP request causing an authentication bypass Critical 9.8
• CVE-2020-17523 Authentication bypass in Apache Shiro Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-6802, GHSA-4q2v-j639-cp7p, UBUNTU-CVE-2016-6802.