GHSA-mgh8-hcwj-h57v · Severity: medium · Ecosystem: maven — Improper Restriction of XML External Entity Reference in Apache Olingo
The XML content type entity deserializer in Apache Olingo versions 4.0.0 to 4.6.0 is not configured to deny the resolution of external entities. Request with content type "application/xml", which trigger the deserialization of entities, can be used to trigger XXE attacks.
Conclusion & alert: CVE-2019-17554 is rated High Exploit Risk (65.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 12.25%, 96th percentile). Core evidence: 3 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 |
|---|---|---|---|---|
| 47770 | exploit_db | edb | 2019-12-11 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | 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 | 2026-06-15 | 52.53% | 12.25% | -40.29% |
| 2 | 2025-11-21 | 51.85% | 52.53% | +0.69% |
| 3 | 2025-11-18 | — | 51.85% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
GHSA-mgh8-hcwj-h57v · Severity: medium · Ecosystem: maven — Improper Restriction of XML External Entity Reference in Apache Olingo
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/155619/Apache-Olingo-OData-4.6.x-XML-Injection.html | Exploit Third Party Advisory |
| https://lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c%40%3Cannounce.apache.org%3E | |
| https://mail-archives.apache.org/mod_mbox/olingo-user/201912.mbox/%3CCAGSZ4d7Ty%3DL-n_iAzT6vcQp65BY29XZDS5tMoM8MdDrb1moM7A%40mail.gmail.com%3E | Mailing List Vendor Advisory |
| https://seclists.org/bugtraq/2019/Dec/11 | Exploit Third Party Advisory |