CVE-2021-42646

Name: CVE-2021-42646
Creator: NVD / NIST
Published: 2022-05-11T18:15:23.053+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 3.67%

Last modified Jun 17, 2026

CVE-2021-42646 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 3.67% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

3.67%

88.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

Vendor	Product	Versions
Wso2	Api Manager	2.6.0
Wso2	Api Manager	3.0.0
Wso2	Api Manager	3.1.0
Wso2	Api Manager	3.2.0
Wso2	Api Manager	4.0.0
Wso2	Identity Server	5.7.0
Wso2	Identity Server	5.8.0
Wso2	Identity Server	5.9.0
Wso2	Identity Server	5.10.0
Wso2	Identity Server	5.11.0
Wso2	Identity Server As Key Manager	5.7.0
Wso2	Identity Server As Key Manager	5.9.0
Wso2	Identity Server As Key Manager	5.10.0

References

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

Timeline

Published: May 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42646?

How severe is CVE-2021-42646?

CVE-2021-42646 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 3.67% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42646?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-42646?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST