CVE-2023-6836 - Improper Restriction of XML External Entity Reference

Severity

75%

Complexity

39%

Confidentiality

60%

Multiple WSO2 products have been identified as vulnerable due to an XML External Entity (XXE) attack abuses a widely available but rarely used feature of XML parsers to access sensitive information.

CVSS 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

Overview

Type

WSO2 Identity Server

First reported 1 year ago

2023-12-15 10:15:00

Last updated 1 year ago

2023-12-19 13:52:00

Affected Software

WSO2 Identity Server 5.5.0

5.5.0

WSO2 Identity Server 5.6.0

5.6.0

WSO2 Identity Server 5.4.0

5.4.0

WSO2 Identity Server 5.4.1

5.4.1

References

https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2020-0716/

https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2020-0716/

Vendor Advisory

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