CVE-2019-17554
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-17554- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-17554- Updated
- 2026-11-02
EUVDEUVD-2020-0306 No score
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.
- Record
EUVD-2020-0306- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mgh8-hcwj-h57v
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.
- Record
GHSA-mgh8-hcwj-h57v- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2019-17554- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-mgh8-hcwj-h57v
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.
- Record
GHSA-mgh8-hcwj-h57v- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.olingo:odata-client-coreMaven |
4.0.0 to 4.6.0 | 4.7.0 |
org.apache.olingo:odata-server-coreMaven |
4.0.0 to 4.6.0 | 4.7.0 |
org.apache.olingo:odata-client-coreMaven |
4.0.0 up to 4.7.0, plus listed versions 4.1.04.2.04.3.04.3.0-beta4.4.04.5.04.6.0 |
4.7.0 |
org.apache.olingo:odata-server-coreMaven |
4.0.0 up to 4.7.0, plus listed versions 4.1.04.2.04.3.04.3.0-beta4.4.04.5.04.6.0 |
4.7.0 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Apache Olingo OData 4.0 - XML External Entity Injection | 2019-12-11 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-17554 is a medium vulnerability (CVSS 5.5) in Apache Olingo, published December 4, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 12.2%, the 96th percentile. Fixed in org.apache.olingo:odata-client-core 4.7.0.
References
mail-archives.apache.org/mod_mbox/olingo-user/201912.mbox/%3CCAGSZ4d7Ty%3DL-n_iAzT6vcQp65BY29XZDS5tMoM8MdDrb1moM7A%40mail.gmail.com%3E
seclists.org/bugtraq/2019/Dec/11
packetstormsecurity.com/files/155619/Apache-Olingo-OData-4.6.x-XML-Injection.html
lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c%40%3Cannounce.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2019-17554
github.com/apache/olingo-odata4/commit/5948974ad28271818e2afe747c71cde56a7f2c63