CVE-2016-3093
CVE-2016-3093 is a medium-severity vulnerability in Ognl Project Ognl with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 5.0
- EPSS exploit prediction: 8% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Ognl Project Ognl
- Published:
- Last modified:
Description
Apache Struts 2.0.0 through 2.3.24.1 does not properly cache method references when used with OGNL before 3.0.12, which allows remote attackers to cause a denial of service (block access to a web site) via unspecified vectors.
Frequently asked questions
- What is CVE-2016-3093?
- Apache Struts 2.0.0 through 2.3.24.1 does not properly cache method references when used with OGNL before 3.0.12, which allows remote attackers to cause a denial of service (block access to a web site) via unspecified vectors.
- How severe is CVE-2016-3093?
- CVE-2016-3093 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2016-3093 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-3093?
- CVE-2016-3093 primarily affects Ognl Project Ognl. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-3093?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2016-3093 published?
- CVE-2016-3093 was published on 2016-06-07 and last updated on 2026-06-17.
References
- http://struts.apache.org/docs/s2-034.html
- http://www-01.ibm.com/support/docview.wss?uid=swg21987854
- http://www.securityfocus.com/bid/90961
- http://www.securitytracker.com/id/1036018
- https://lists.apache.org/thread.html/940b4c3fef002461b89a050935337056d4a036a65ef68e0bbd4621ef%40%3Cdev.struts.apache.org%3E
Affected products (56)
- cpe:2.3:a:ognl_project:ognl:*:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.11.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.11.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.1.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.1.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.2.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.2.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.3.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.3.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.3.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.3.7:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.3.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.3.12:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.3.14:*:*:*:*:*:*:*
Other CWE-20 (Improper Input Validation) vulnerabilities
- CVE-2026-48056 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download video content. Versions prior to 2.5.0…
- CVE-2026-33267 — Critical (CVSS 10.0): Improper Input Validation vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 9.2.0…
- CVE-2026-47668 — Critical (CVSS 10.0): DbGate is cross-platform database manager. In versions 7.1.8 and prior, DbGate's JSON script runner (`POST…
- CVE-2026-16117 — Critical (CVSS 10.0): Impact: @fastify/http-proxy versions up to and including 11.5.0 fail to rewrite the request prefix when the prefix…
- CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
Browse all CWE-20 (Improper Input Validation) vulnerabilities →