How severe is CVE-2023-6836?

CVE-2023-6836 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-6836 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6836?

CVE-2023-6836 primarily affects Wso2 Api Manager. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-6836?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-6836 published?

CVE-2023-6836 was published on 2023-12-15 and last updated on 2026-06-17.

CVE-2023-6836

CVE-2023-6836 is a medium-severity vulnerability in Wso2 Api Manager with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Wso2 Api Manager
Published: 2023-12-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-6836?: CVE-2023-6836 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-6836 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6836?: CVE-2023-6836 primarily affects Wso2 Api Manager. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-6836?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-6836 published?: CVE-2023-6836 was published on 2023-12-15 and last updated on 2026-06-17.

References

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

Affected products (14)

cpe:2.3:a:wso2:api_manager:*:*:*:*:*:*:*:*
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:enterprise_integrator:*:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server_as_key_manager:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server_as_key_manager:5.6.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server_as_key_manager:5.7.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server_as_key_manager:5.9.0:*:*:*:*:*:*:*
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:identity_server:5.5.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server:5.6.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:micro_integrator:1.0.0:*:*:*:*:*:*:*

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