GHSA-q2cg-xf9p-h457 · Severity: high · Ecosystem: maven — Incomplete exclude pattern in Apache Struts
The default exclude patterns (excludeParams) in Apache Struts 2.3.20 allow remote attackers to "compromise internal state of an application" via unspecified vectors.
Conclusion & alert: CVE-2015-1831 is rated Moderate Risk (64.2/100): CVSS High severity, with high exploitation likelihood (EPSS 6.31%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.77% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 4.54% | 6.31% | +1.77% |
| 2 | 2026-03-04 | 6.00% | 4.54% | -1.47% |
| 3 | 2025-06-22 | — | 6.00% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
GHSA-q2cg-xf9p-h457 · Severity: high · Ecosystem: maven — Incomplete exclude pattern in Apache Struts
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2015-1831 |
ubuntu
|
medium | CVE-2015-1831 medium priority: Ubuntu including 1 source packages (libstruts1.2-java), 5 status rows across 5 suites (precise, trusty, upstream, utopic, vivid): DNE 2, not-affected 2, needs-triage 1. | https://ubuntu.com/security/CVE-2015-1831 |