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Vulnerability record · CVE-2021-42646 · published 11 May 2022

CVE-2021-42646: Wso2 api manager xml external entity (xxe) vulnerability

Wso2 · Api Manager

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.

9.1 CVSS 3.1 Critical EPSS 3.7% · top 10.7% CWE-611 · XML external entity (XXE)
9.1CVSS 3.1 base score, v2 6.4
3.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

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

References

LinkTags
http://packetstormsecurity.com/files/167465/WSO2-Management-Console-XML-Injection.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2022/Jun/7 Mailing ListThird Party Advisory
https://github.com/wso2/carbon-identity-framework/pull/3472 PatchThird Party Advisory
https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2021-1289/
http://packetstormsecurity.com/files/167465/WSO2-Management-Console-XML-Injection.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2022/Jun/7 Mailing ListThird Party Advisory
https://github.com/wso2/carbon-identity-framework/pull/3472 PatchThird Party Advisory
https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2021-1289/

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

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Source: NIST National Vulnerability Database (record CVE-2021-42646), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.