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Fencer Intel
high 7.5

CVE-2016-6802 json

Improper Access Control in Apache Shiro

published 2016-09-20 10 y ago modified 2026-06-17 4 mo ago also GHSA-4q2v-j639-cp7p , EUVD-2022-2425

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.7%
EPSS 9.7% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

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.

Patch / fix

  • maven org.apache.shiro:shiro-all 1.3.2
  • maven org.apache.shiro:shiro-web 1.3.2
  • shiro Debian 14, Debian 13, Debian 12 1.3.2-1

debian advisories DEBIAN-CVE-2016-6802

  • shiro Ubuntu Pro 16.04 LTS 1.2.4-1ubuntu0.1~esm2

ubuntu advisories UBUNTU-CVE-2016-6802

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-6802 updated cvss 5.6

Shiro: Security servlet filters bypass

  • Red Hat JBoss Fuse Service Works 6 shiro-web shiro-web Red Hat OpenShift Enterprise 2 shiro-core
    affected: no fix available
  • Red Hat JBoss A-MQ 6 shiro-core shiro-core Red Hat JBoss Fuse 6 shiro-core shiro-core
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

9.68% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
GitHub 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
maven org.apache.shiro:shiro-all
<1.3.2
1.3.2
maven org.apache.shiro:shiro-web
<1.3.2
1.3.2

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.