CVE-2023-6836 json
WSO2 products vulnerable to XML External Entity attack
published 2023-12-15 2 y ago modified 2026-06-17 4 mo ago also GHSA-cr8h-fr86-8vfv , EUVD-2023-3188
- cvss
- 4.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven org.wso2.carbon.commons:org.wso2.carbon.ntask.core 4.7.24
- maven org.wso2.am:wso2am 4.0.0-beta
- maven org.wso2.carbon.registry:org.wso2.carbon.registry.extensions 4.7.31
- maven org.wso2.carbon.event-processing:org.wso2.carbon.event.processor.core 2.2.12
- maven org.wso2.carbon.analytics-common:org.wso2.carbon.event.input.adapter.core 5.2.23
- maven org.wso2.carbon.governance:org.wso2.carbon.governance.common 4.8.13
- WSO2 WSO2 API Manager 3.0.0.1
- WSO2 WSO2 API Manager Analytics 2.2.0.1, 2.5.0.1
- WSO2 WSO2 API Microgateway 2.2.0.1
- WSO2 WSO2 Enterprise Integrator 6.0.0.3, 6.1.0.5, 6.1.1.5, 6.6.0.1
- WSO2 WSO2 IS as Key Manager 5.5.0.1, 5.6.0.1, 5.7.0.1, 5.9.0.1
- WSO2 WSO2 Identity Server 5.4.0.1, 5.4.1.1, 5.5.0.1, 5.6.0.1
- WSO2 WSO2 Micro Integrator 1.0.0.1
Exploit prediction
0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| GitHub | 3.1 | 4.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.wso2.carbon.commons:org.wso2.carbon.ntask.core | <4.7.24 |
4.7.24 |
| maven | org.wso2.am:wso2am | <4.0.0-beta |
4.0.0-beta |
| maven | org.wso2.carbon.registry:org.wso2.carbon.registry.extensions | <4.7.31 |
4.7.31 |
| maven | org.wso2.carbon.event-processing:org.wso2.carbon.event.processor.core | <2.2.12 |
2.2.12 |
| maven | org.wso2.carbon.analytics-common:org.wso2.carbon.event.input.adapter.core | <5.2.23 |
5.2.23 |
| maven | org.wso2.carbon.governance:org.wso2.carbon.governance.common | <4.8.13 |
4.8.13 |
Affected products
- WSO2 WSO2 API Manager
- WSO2 WSO2 API Manager Analytics
- WSO2 WSO2 API Microgateway
- WSO2 WSO2 Enterprise Integrator
- WSO2 WSO2 IS as Key Manager
- WSO2 WSO2 Identity Server
- WSO2 WSO2 Micro Integrator
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
-
github.com
/wso2/carbon-analytics-common/commit/9478336859306d3ea13b25cb386f29c183707fde
web
-
github.com
/wso2/carbon-commons/commit/a08a587e3dd5146121a7b47a0fdd06ddbcd903f4
web
-
github.com
/wso2/carbon-event-processing/commit/e9953afd46a45f704de341a081f710cbdfa3f975
web
-
github.com
/wso2/carbon-governance/commit/ad36968d5a11d4fc35fa5cc4e8b5ae9a04e5bb4c
web
-
github.com
/wso2/carbon-registry/commit/738b2a0b3e5f118527da236467ed72d9fd9ce40e
web
-
github.com
/wso2/product-apim/commit/96e8f5d6566d57bbbb8d4257f6f55057a79d00b5
web
-
security.docs.wso2.com
/en/latest/security-announcements/security-advisories/2021/WSO2-2020-0716/
vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-6836
advisory
-
security.docs.wso2.com
/en/latest/security-announcements/security-advisories/2021/WSO2-2020-0716
web
Sources
- CVE List CVE-2023-6836
- GitHub Advisory GHSA-cr8h-fr86-8vfv
- NVD CVE-2023-6836
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