CVE-2019-17554 json
Improper Restriction of XML External Entity Reference in Apache Olingo
published 2019-12-04 6 y ago modified 2026-06-17 4 mo ago also GHSA-mgh8-hcwj-h57v , EUVD-2020-0306
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 12.2%
- EPSS 12.2% chance of exploitation in 30 days, percentile 96%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
- maven org.apache.olingo:odata-client-core 4.7.0
- maven org.apache.olingo:odata-server-core 4.7.0
Timeline
- Published
- First public exploit (EDB-47770)
Exploit prediction
12.25% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-47770 Apache Olingo OData 4.0 - XML External Entity Injection webapps, 2019-12-11
- seclists.org https://seclists.org/bugtraq/2019/Dec/11 referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/155619/Apache-Olingo-OData-4.6.x-XML-Injection.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
| GitHub | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.olingo:odata-client-core | >=4.0.0, <4.7.0 |
4.7.0 |
| maven | org.apache.olingo:odata-server-core | >=4.0.0, <4.7.0 |
4.7.0 |
Affected products
- Apache Olingo
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
-
github.com
/apache/olingo-odata4/commit/5948974ad28271818e2afe747c71cde56a7f2c63
web
-
github.com
/apache/olingo-odata4/commit/c3f982db3d97e395d313ae8f231202bb2139882c
web
-
seclists.org
/bugtraq/2019/Dec/11
mailing-list, web, exploit, third-party-advisory
-
packetstormsecurity.com
/files/155619/Apache-Olingo-OData-4.6.x-XML-Injection.html
web, exploit, third-party-advisory
-
mail-archives.apache.org
/mod_mbox/olingo-user/201912.mbox/%3CCAGSZ4d7Ty%3DL-n_iAzT6vcQp65BY29XZDS5tMoM8MdDrb1moM7A%40mail.gmail.com%3E
mailing-list, web, vendor-advisory
-
lists.apache.org
/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c%40%3Cannounce.apache.org%3E
mailing-list
-
nvd.nist.gov
/vuln/detail/CVE-2019-17554
advisory
-
issues.apache.org
/jira/browse/OLINGO-1409
web
-
lists.apache.org
/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c@%3Cannounce.apache.org%3E
web
Sources
- CVE List CVE-2019-17554
- GitHub Advisory GHSA-mgh8-hcwj-h57v
- NVD CVE-2019-17554
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.