What is CVE-2023-6836?

CVE-2023-6836 is a medium-severity vulnerability in Wso2 Api Manager, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 4.6/10. Published 2023-12-15.

How severe is CVE-2023-6836?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Is CVE-2023-6836 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XXE in Wso2 Api Manager

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 class: XXE (XML External Entity)

EPSS: 0.002 (38.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

Wso2 Api Manager — versions 0, 3.0.0.0
Wso2 Api Manager Analytics — versions 0, 2.2.0.0, 2.5.0.0
Wso2 Api Microgateway — versions 0, 2.2.0.0
Wso2 Enterprise Integrator — versions 0, 6.0.0.0, 6.1.0.0
Wso2 Identity Server — versions 0, 5.4.0.0, 5.4.1.0
Wso2 Is As Key Manager — versions 0, 5.5.0.0, 5.6.0.0
Wso2 Micro Integrator — versions 0, 1.0.0.0

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

security.docs.wso2.com/en/latest/security-announcements/security-advisories/202… (vendor-advisory)

Frequently asked questions

What is CVE-2023-6836?: CVE-2023-6836 is a medium-severity vulnerability in Wso2 Api Manager, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 4.6/10. Published 2023-12-15.
How severe is CVE-2023-6836?: Medium severity. CVSS v3 base score is 4.6 out of 10.
Is CVE-2023-6836 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.