shiro: Security constraint bypass
Published Jun 7, 2016 ·Due May 3, 2022
9.8
CRITICALCVSS 3.1
EPSS 93.04%
Description
Apache Shiro before 1.2.5, when a cipher key has not been configured for the "remember me" feature, allows remote attackers to execute arbitrary code or bypass intended access restrictions via an unspecified request parameter.
Affected products
No data.
No data.
Red Hat JBoss A-MQ 6.3
n/a
Fixed · RHSA-2016:2036
Red Hat JBoss Fuse 6.3
n/a
Fixed · RHSA-2016:2035
Red Hat JBoss A-MQ 6
shiro-core
Affected
Red Hat JBoss Fuse 6
shiro-core
Affected
Red Hat JBoss Fuse Service Works 6
shiro-core
Affected
Red Hat OpenShift Enterprise 2
shiro-core
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat JBoss A-MQ 6.3 | n/a | Fixed | RHSA-2016:2036 |
| Red Hat JBoss Fuse 6.3 | n/a | Fixed | RHSA-2016:2035 |
| Red Hat JBoss A-MQ 6 | shiro-core | Affected | n/a |
| Red Hat JBoss Fuse 6 | shiro-core | Affected | n/a |
| Red Hat JBoss Fuse Service Works 6 | shiro-core | Affected | n/a |
| Red Hat OpenShift Enterprise 2 | shiro-core | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1 other source (GHSA) ▾
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
AV:N/AC:M/Au:N/C:P/I:P/A:P
Date Added
Nov 3, 2021
Patch Due
May 3, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Feb 7, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 93.04% (0.93039) | 99.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 93.14% (0.93143) | 99.82th | v5 (v2026.06.15) |
| Mar 17, 2025 | 94.34% (0.94344) | 99.95th | v4 (v2025.03.14) |
| Dec 12, 2024 | 97.05% (0.97050) | 99.81th | v3 (v2023.03.01) |
| Jul 7, 2024 | 97.49% (0.97494) | 99.98th | v3 (v2023.03.01) |
| Mar 30, 2024 | 97.49% (0.97488) | 99.97th | v3 (v2023.03.01) |
| Feb 26, 2024 | 97.48% (0.97481) | 99.97th | v3 (v2023.03.01) |
| Jan 24, 2024 | 97.50% (0.97496) | 99.97th | v3 (v2023.03.01) |
| Jul 31, 2023 | 97.51% (0.97507) | 99.97th | v3 (v2023.03.01) |
| May 26, 2023 | 97.48% (0.97483) | 99.94th | v3 (v2023.03.01) |
| May 11, 2023 | 97.50% (0.97499) | 99.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 97.48% (0.97480) | 99.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 94.54% (0.94540) | 99.95th | v2 (v2022.01.01) |
| Feb 4, 2022 | 94.54% (0.94540) | 99.95th | v2 (v2022.01.01) |
References (15)
- http://packetstormsecurity.com/files/137310/Apache-Shiro-1.2.4-Information-Disclosure.html x_refsource_MISCThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/157497/Apache-Shiro-1.2.4-Remote-Code-Execution.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://rhn.redhat.com/errata/RHSA-2016-2035.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2036.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.securityfocus.com/archive/1/538570/100/0/threaded mailing-listx_refsource_BUGTRAQBroken LinkThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/91024 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-4437 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1343346 Issue Tracking
- https://github.com/advisories/GHSA-p836-389h-j692 Advisory
- https://lists.apache.org/thread.html/ef3a800c7d727a00e04b78e2f06c5cd8960f09ca28c9b69d94c3c4c4%40%3Cannouncements.aurora.apache.org%3E mailing-listx_refsource_MLISTMailing List
- https://lists.apache.org/thread.html/ef3a800c7d727a00e04b78e2f06c5cd8960f09ca28c9b69d94c3c4c4@%3Cannouncements.aurora.apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2016-4437
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4437 government-resourceUS Government Resource
- https://www.cve.org/CVERecord?id=CVE-2016-4437
Change history (0)
No recorded changes yet.