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TI-2020-01885 Aliases CVE-2020-1961GHSA-4w4p-xwrr-9crh

Injection in Apache Syncope

Priority MEDIUM 50CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

Vulnerability to Server-Side Template Injection on Mail templates for Apache Syncope 2.0.X releases prior to 2.0.15, 2.1.X releases prior to 2.1.6, enabling attackers to inject arbitrary JEXL expressions, leading to Remote Code Execution (RCE) was discovered.

Why it matters now

EPSS 0.048 92nd percentileScored 2026-11-07
Fix Fixed org.apache.syncope:syncope-core (Maven): 2.0.15, 2.1.6

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Apache SyncopeApache Syncope 2.0.X releases prior to 2.0.15, 2.1.X releases prior to 2.1.6—No fix listedCNA
—org.apache.syncope:syncope-core (Maven)2.0.0 to before 2.0.152.0.15Patch availableGHSA-4w4p-xwrr-9crh
—org.apache.syncope:syncope-core (Maven)2.1.0 to before 2.1.62.1.6Patch availableGHSA-4w4p-xwrr-9crh
  • Apache Syncope Vendor— Affected Apache Syncope 2.0.X releases prior to 2.0.15, 2.1.X releases prior to 2.1.6 Fixed in — No fix listed CNA
  • org.apache.syncope:syncope-core (Maven) Vendor— Affected 2.0.0 to before 2.0.15 Fixed in 2.0.15 Patch available GHSA-4w4p-xwrr-9crh
  • org.apache.syncope:syncope-core (Maven) Vendor— Affected 2.1.0 to before 2.1.6 Fixed in 2.1.6 Patch available GHSA-4w4p-xwrr-9crh

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:syncope:*:*:*:*:*:*:*:*2.0.0 to before 2.0.15; 2.1.0 to before 2.1.6VulnerableApache
  • cpe:2.3:a:apache:syncope:*:*:*:*:*:*:*:* Versions 2.0.0 to before 2.0.15; 2.1.0 to before 2.1.6 Vulnerable ·Apache

Remediation

  • Fix · GHSA-4w4p-xwrr-9crh org.apache.syncope:syncope-core (Maven) Fixed in 2.0.15 Advisory →
  • Fix · GHSA-4w4p-xwrr-9crh org.apache.syncope:syncope-core (Maven) Fixed in 2.1.6 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1961
  2. 2026-10-03 Alias added: GHSA-4w4p-xwrr-9crh

References

Advisory 2

  • TI-2025-35632 Apache Syncope: Remote Code Execution by delegated administrators CVSS 3.1HIGH 7.2
  • TI-2026-38503 Apache Syncope: Remote Code Execution via Scripted Connector CVSS 3.1CRITICAL 9.8
  • TI-2026-45025 Apache Syncope: RCE via Groovy Sandbox bypass CVSS 3.1CRITICAL 9.8
  • TI-2026-44406 Apache Syncope: User self-service privilege escalation CVSS 3.1CRITICAL 9.8
  • TI-2026-41245 Apache Syncope: SQL injection vulnerability in Audit Events search CVSS 3.1CRITICAL 9.8
  • TI-2026-38491 Apache Syncope: Remote Code Execution via Flowable BPMN Groovy ScriptTask CVSS 3.1CRITICAL 9.8
See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences