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Vulnerability record · CVE-2018-1321 · published 20 March 2018

CVE-2018-1321: Apache syncope improper input validation vulnerability

Apache · Syncope

An administrator with report and template entitlements in Apache Syncope 1.2.x before 1.2.11, 2.0.x before 2.0.8, and unsupported releases 1.0.x and 1.1.x which may be also affected, can use XSL Transformations (XSLT) to perform malicious operations, including but not limited to file read, file write, and code execution.

7.2 CVSS 3.0 High EPSS 18% · top 3.0% CWE-20 · Improper input validation
7.2CVSS 3.0 base score, v2 6.5
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

An administrator with report and template entitlements in Apache Syncope 1.2.x before 1.2.11, 2.0.x before 2.0.8, and unsupported releases 1.0.x and 1.1.x which may be also affected, can use XSL Transformations (XSLT) to perform malicious operations, including but not limited to file read, file write, and code execution.

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://syncope.apache.org/security.html#CVE-2018-1321:_Remote_code_execution_by_administrators_with_report_and_template_ MitigationVendor Advisory
http://www.securityfocus.com/bid/103508 Third Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/45400/ Third Party AdvisoryVDB Entry
http://syncope.apache.org/security.html#CVE-2018-1321:_Remote_code_execution_by_administrators_with_report_and_template_ MitigationVendor Advisory
http://www.securityfocus.com/bid/103508 Third Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/45400/ Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-1321), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.