Vulnerability Details : CVE-2023-6836
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.
Vulnerability category: XML external entity (XXE) injection
Products affected by CVE-2023-6836
- cpe:2.3:a:wso2:identity_server:5.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:wso2:identity_server:5.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:wso2:identity_server:5.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:wso2:identity_server:5.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:wso2:enterprise_integrator:*:*:*:*:*:*:*:*
- cpe:2.3:a:wso2:api_manager:*:*:*:*:*:*:*:*
- cpe:2.3:a:wso2:identity_server_as_key_manager:5.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:wso2:identity_server_as_key_manager:5.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:wso2:identity_server_as_key_manager:5.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:wso2:identity_server_as_key_manager:5.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:wso2:api_manager_analytics:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:wso2:api_manager_analytics:2.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:wso2:api_microgateway:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:wso2:micro_integrator:1.0.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-6836
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-6836
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |
2.1
|
2.5
|
WSO2 | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2023-6836
-
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.Assigned by:
- ed10eef1-636d-4fbe-9993-6890dfa878f8 (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2023-6836
-
https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2020-0716/
WSO2-2020-0716Vendor Advisory
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