CVE-2018-17186
Improper Restriction of XML External Entity Reference in org.apache.syncope:syncope-core
CVE-2018-17186 is a high vulnerability (CVSS 7.2) in Apache Syncope, published November 6, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.48%, the 84th percentile. Fixed in org.apache.syncope:syncope-core 2.0.11.
An administrator with workflow definition entitlements can use DTD to perform malicious operations, including but not limited to file read, file write, and code execution.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.2
An administrator with workflow definition entitlements can use DTD to perform malicious operations, including but not limited to file read, file write, and code execution.
- Record
CVE-2018-17186- CVSS 3.0
- 7.2 High
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-611
- Updated
- 2026-11-02
CVE List No score
An administrator with workflow definition entitlements can use DTD to perform malicious operations, including but not limited to file read, file write, and code execution.
- Record
CVE-2018-17186- Updated
- 2026-11-02
EUVDEUVD-2018-0770 No score
An administrator with workflow definition entitlements can use DTD to perform malicious operations, including but not limited to file read, file write, and code execution.
- Record
EUVD-2018-0770- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qfjv-998w-q48f
7.2
Improper Restriction of XML External Entity Reference in org.apache.syncope:syncope-core
An administrator with workflow definition entitlements can use DTD to perform malicious operations, including but not limited to file read, file write, and code execution.
- Record
GHSA-qfjv-998w-q48f- CVSS 3.0
- 7.2 High
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-611
- Updated
- 2026-11-02
OSV
7.2
An administrator with workflow definition entitlements can use DTD to perform malicious operations, including but not limited to file read, file write, and code execution.
- Record
CVE-2018-17186- CVSS 3.0
- 7.2 High
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-qfjv-998w-q48f
7.2
Improper Restriction of XML External Entity Reference in org.apache.syncope:syncope-core
An administrator with workflow definition entitlements can use DTD to perform malicious operations, including but not limited to file read, file write, and code execution.
- Record
GHSA-qfjv-998w-q48f- CVSS 3.0
- 7.2 High
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-611
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.syncope:syncope-coreMaven |
before 2.0.11 | 2.0.11 |
org.apache.syncope:syncope-coreMaven |
2.1.0 up to 2.1.2 | 2.1.2 |
org.apache.syncope:syncope-coreMaven |
before 2.0.11, plus listed versions 1.0.0-RC1-incubating1.0.0-RC2-incubating1.0.0-RC3-incubating1.0.0-incubating1.0.1-incubating Show 45 moreShow less1.0.2-incubating1.0.3-incubating1.0.41.0.51.0.61.0.71.0.81.0.91.1.01.1.11.1.21.1.31.1.41.1.51.1.61.1.71.1.81.2.01.2.0-M11.2.11.2.101.2.111.2.21.2.31.2.41.2.51.2.61.2.71.2.81.2.92.0.02.0.0-M12.0.0-M22.0.0-M32.0.0-M42.0.0.M52.0.12.0.102.0.22.0.32.0.42.0.52.0.62.0.72.0.8 |
2.0.11 |
org.apache.syncope:syncope-coreMaven |
2.1.0 up to 2.1.2, plus listed versions 2.1.1 |
2.1.2 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
Left out here: 1 version. The JSON record has them.