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TI-2021-18882 Aliases CVE-2021-42646GHSA-rjgm-f3mv-p89p

XML External Entity (XXE) vulnerability in the file based service provider creation…

Priority MEDIUM 46CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
No fix listed

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

Summary

XML External Entity (XXE) vulnerability in the file based service provider creation feature of the Management Console in WSO2 API Manager 2.6.0, 3.0.0, 3.1.0, 3.2.0, and 4.0.0; and WSO2 IS as Key Manager 5.7.0, 5.9.0, and 5.10.0; and WSO2 Identity Server 5.7.0, 5.8.0, 5.9.0, 5.10.0, and 5.11.0. Allows attackers to gain read access to sensitive information or cause a denial of service via crafted GET requests.

Why it matters now

EPSS 0.03758 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:a:wso2:api_manager:2.6.0:*:*:*:*:*:*:*2.6.0VulnerableWSO2
cpe:2.3:a:wso2:api_manager:3.0.0:*:*:*:*:*:*:*3.0.0VulnerableWSO2
cpe:2.3:a:wso2:api_manager:3.1.0:*:*:*:*:*:*:*3.1.0VulnerableWSO2
cpe:2.3:a:wso2:api_manager:3.2.0:*:*:*:*:*:*:*3.2.0VulnerableWSO2
cpe:2.3:a:wso2:api_manager:4.0.0:*:*:*:*:*:*:*4.0.0VulnerableWSO2
cpe:2.3:a:wso2:identity_server:5.7.0:*:*:*:*:*:*:*5.7.0VulnerableWSO2
cpe:2.3:a:wso2:identity_server:5.8.0:*:*:*:*:*:*:*5.8.0VulnerableWSO2
cpe:2.3:a:wso2:identity_server:5.9.0:*:*:*:*:*:*:*5.9.0VulnerableWSO2
cpe:2.3:a:wso2:identity_server:5.10.0:*:*:*:*:*:*:*5.10.0VulnerableWSO2
cpe:2.3:a:wso2:identity_server:5.11.0:*:*:*:*:*:*:*5.11.0VulnerableWSO2
  • cpe:2.3:a:wso2:api_manager:2.6.0:*:*:*:*:*:*:* Versions 2.6.0 Vulnerable ·WSO2
  • cpe:2.3:a:wso2:api_manager:3.0.0:*:*:*:*:*:*:* Versions 3.0.0 Vulnerable ·WSO2
  • cpe:2.3:a:wso2:api_manager:3.1.0:*:*:*:*:*:*:* Versions 3.1.0 Vulnerable ·WSO2
  • cpe:2.3:a:wso2:api_manager:3.2.0:*:*:*:*:*:*:* Versions 3.2.0 Vulnerable ·WSO2
  • cpe:2.3:a:wso2:api_manager:4.0.0:*:*:*:*:*:*:* Versions 4.0.0 Vulnerable ·WSO2
  • cpe:2.3:a:wso2:identity_server:5.7.0:*:*:*:*:*:*:* Versions 5.7.0 Vulnerable ·WSO2
  • cpe:2.3:a:wso2:identity_server:5.8.0:*:*:*:*:*:*:* Versions 5.8.0 Vulnerable ·WSO2
  • cpe:2.3:a:wso2:identity_server:5.9.0:*:*:*:*:*:*:* Versions 5.9.0 Vulnerable ·WSO2
  • cpe:2.3:a:wso2:identity_server:5.10.0:*:*:*:*:*:*:* Versions 5.10.0 Vulnerable ·WSO2
  • cpe:2.3:a:wso2:identity_server:5.11.0:*:*:*:*:*:*:* Versions 5.11.0 Vulnerable ·WSO2
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:wso2:identity_server_as_key_manager:5.7.0:*:*:*:*:*:*:*5.7.0VulnerableWSO2
cpe:2.3:a:wso2:identity_server_as_key_manager:5.9.0:*:*:*:*:*:*:*5.9.0VulnerableWSO2
cpe:2.3:a:wso2:identity_server_as_key_manager:5.10.0:*:*:*:*:*:*:*5.10.0VulnerableWSO2
  • cpe:2.3:a:wso2:identity_server_as_key_manager:5.7.0:*:*:*:*:*:*:* Versions 5.7.0 Vulnerable ·WSO2
  • cpe:2.3:a:wso2:identity_server_as_key_manager:5.9.0:*:*:*:*:*:*:* Versions 5.9.0 Vulnerable ·WSO2
  • cpe:2.3:a:wso2:identity_server_as_key_manager:5.10.0:*:*:*:*:*:*:* Versions 5.10.0 Vulnerable ·WSO2

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42646
  2. 2026-10-03 Alias added: GHSA-rjgm-f3mv-p89p

References

Patch 1

Advisory 2

Other 1

  • TI-2026-04755 Authentication Bypass via JWT Algorithm Mismatch in Multiple WSO2 Products Allows Account Takeover KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-11928 Certain WSO2 products allow unrestricted file upload with resultant remote code execution. KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-15069 The Management Console in WSO2 API Manager through 3.1.0 and API Microgateway 2.2.0… CVSS 3.1CRITICAL 9.1
  • TI-2023-15163 A reflected cross-site scripting (XSS) vulnerability in /authenticationendpoint/login.do… CVSS 3.1MEDIUM 6.1
  • TI-2022-12002 A reflected XSS issue exists in the Management Console of several WSO2 products. CVSS 3.1MEDIUM 6.1
  • TI-2025-13722 Account Takeover via Conditional Authentication Script Logic in Multiple WSO2 Products CVSS 3.1CRITICAL 9.4
See all 94 →

Sources

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