Apache Shiro before 1.2.5, when a cipher key has not been configured for the "remember…
Priority CRITICAL 100Exploited in the wildCWE-321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 2 fixed, 4 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-321.
Summary
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.
Why it matters now
Exploitation Active In CISA KEV since 2021-11-03CISA due date 2022-05-03
EPSS 0.93039 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial org.apache.shiro:shiro-core (Maven): 1.2.5Red Hat: 2 advisoriesRed Hat: 2 fixed, 4 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.apache.shiro:shiro-core (Maven) | before 1.2.5 | 1.2.5 | Patch available | GHSA-p836-389h-j692 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.apache.shiro:shiro-core (Maven) Vendor— Affected before 1.2.5 Fixed in 1.2.5 Patch available GHSA-p836-389h-j692
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:aurora:*:*:*:*:*:*:*:* | 0.10.0 to before 0.18.1 | Vulnerable | Apache |
| cpe:2.3:a:apache:shiro:*:*:*:*:*:*:*:* | before 1.2.5 | Vulnerable | Apache |
| cpe:2.3:a:redhat:fuse:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:jboss_middleware_text-only_advisories:1.0:*:*:*:*:middleware:*:* | 1.0 | Vulnerable | Red Hat |
- cpe:2.3:a:apache:aurora:*:*:*:*:*:*:*:* Versions 0.10.0 to before 0.18.1 Vulnerable ·Apache
- cpe:2.3:a:apache:shiro:*:*:*:*:*:*:*:* Versions before 1.2.5 Vulnerable ·Apache
- cpe:2.3:a:redhat:fuse:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:jboss_middleware_text-only_advisories:1.0:*:*:*:*:middleware:*:* Versions 1.0 Vulnerable ·Red Hat
Remediation
- Fix · GHSA-p836-389h-j692 org.apache.shiro:shiro-core (Maven) Fixed in 1.2.5 Advisory →
Red Hat 2 advisories
- RHSA-2016:2035 Released 2016-10-06 · Red Hat rating ImportantRed Hat JBoss Fuse 6.3 security update
- Red Hat JBoss Fuse 6.3
- RHSA-2016:2036 Released 2016-10-06 · Red Hat rating ImportantRed Hat JBoss A-MQ 6.3 security update
- Red Hat JBoss A-MQ 6.3
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat JBoss A-MQ 6 | Affected | No fix yet |
| Red Hat JBoss Fuse 6 | Affected | No fix yet |
| Red Hat JBoss Fuse Service Works 6 | Affected | No fix yet |
| Red Hat OpenShift Enterprise 2 | Affected | No fix yet |
| Red Hat JBoss A-MQ 6.3 | Fixed | RHSA-2016:2036 |
| Red Hat JBoss Fuse 6.3 | Fixed | RHSA-2016:2035 |
Timeline
- 2021-11-03 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2016-4437
- 2026-10-03 Alias added: GHSA-p836-389h-j692
References
Advisory 4
Other 3
More Apache Aurora vulnerabilities
- TI-2024-18510 Apache Aurora: padding oracle can allow construction an authentication cookie CVSS 3.1CRITICAL 9.1
Sources
- CVE-2016-4437 · CVE Program
- CVE-2016-4437 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-p836-389h-j692 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-4437 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences