GHSA-342c-f869-5m44 · Severity: medium · Ecosystem: maven — Apache Sling POST Servlets Denial of Service Vulnerability
The @CopyFrom operation in the POST servlet in the org.apache.sling.servlets.post bundle before 2.1.2 in Apache Sling does not prevent attempts to copy an ancestor node to a descendant node, which allows remote attackers to cause a denial of service (infinite loop) via a crafted HTTP request.
Conclusion & alert: CVE-2012-2138 is rated High Exploit Risk (64.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 38.62%, 97th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 37487 | exploit_db | edb | 2012-07-06 | Exploit-DB ↗ |
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 | 2026-05-31 | 43.42% | 38.62% | -4.79% |
| 2 | 2026-03-10 | 37.77% | 43.42% | +5.64% |
| 3 | 2025-12-26 | — | 37.77% | — |
Full EPSS history (25 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
GHSA-342c-f869-5m44 · Severity: medium · Ecosystem: maven — Apache Sling POST Servlets Denial of Service Vulnerability
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apache | org.apache.sling.servlets.post | <= 2.1.0 | cpe:2.3:a:apache:org.apache.sling.servlets.post:*:*:*:*:*:*:*:* |