Critical severity · published May 11, 2022
CVE-2021-42646
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;…
9.1
CVSS
3.8%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.8% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AM
Api Manager · Wso2
2.6.0; 3.0.0; 3.1.0; 3.2.0; 4.0.0 · source: NVD
IS
Identity Server · Wso2
5.7.0; 5.8.0; 5.9.0; 5.10.0; 5.11.0 · source: NVD
IS
Identity Server AS Key Manager · Wso2
5.7.0; 5.9.0; 5.10.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42646
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42646
Third Party Advisory
http://packetstormsecurity.com/files/167465/WSO2-Management-Console-XML-Injection.html
Mailing List
http://seclists.org/fulldisclosure/2022/Jun/7
Patch
https://github.com/wso2/carbon-identity-framework/pull/3472
security.docs.wso2.com
https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2021-1289/
More from Api Manager
10.0
CVE-2026-5430
Authentication Bypass via JWT Algorithm Mismatch in Multiple WSO2 Products Allows Account Takeover
9.8
CVE-2022-29464
WSO2 Multiple Products Unrestrictive Upload of File Vulnerability
10.0
CVE-2026-2053
Unauthenticated Server-Side Request Forgery via WS-Addressing in WSO2 API Manager
9.8
CVE-2026-1728
Privilege Escalation via System REST APIs in Multiple WSO2 Products Permits Admin Account Takeover
9.8
CVE-2025-9312
A missing authentication enforcement vulnerability exists in the mutual TLS (mTLS) implementation used by System REST APIs and SOAP services in multiple WSO2 products