How severe is CVE-2020-24703?

CVE-2020-24703 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-24703 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24703?

CVE-2020-24703 primarily affects Wso2 Api Manager. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-24703?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-24703 published?

CVE-2020-24703 was published on 2020-08-27 and last updated on 2026-06-17.

CVE-2020-24703

CVE-2020-24703 is a high-severity vulnerability in Wso2 Api Manager with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Wso2 Api Manager
Published: 2020-08-27
Last modified: 2026-06-17

Description

An issue was discovered in certain WSO2 products. A valid Carbon Management Console session cookie may be sent to an attacker-controlled server if the victim submits a crafted Try It request, aka Session Hijacking. This affects API Manager 2.2.0, API Manager Analytics 2.2.0, API Microgateway 2.2.0, Data Analytics Server 3.2.0, Enterprise Integrator through 6.6.0, IS as Key Manager 5.5.0, Identity Server 5.5.0 and 5.8.0, Identity Server Analytics 5.5.0, and IoT Server 3.3.0 and 3.3.1.

Frequently asked questions

What is CVE-2020-24703?: An issue was discovered in certain WSO2 products. A valid Carbon Management Console session cookie may be sent to an attacker-controlled server if the victim submits a crafted Try It request, aka Session Hijacking. This affects API Manager 2.2.0, API Manager Analytics 2.2.0, API Microgateway 2.2.0, Data Analytics Server 3.2.0, Enterprise Integrator through 6.6.0, IS as Key Manager 5.5.0, Identity Server 5.5.0 and 5.8.0, Identity Server Analytics 5.5.0, and IoT Server 3.3.0 and 3.3.1.
How severe is CVE-2020-24703?: CVE-2020-24703 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-24703 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24703?: CVE-2020-24703 primarily affects Wso2 Api Manager. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-24703?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-24703 published?: CVE-2020-24703 was published on 2020-08-27 and last updated on 2026-06-17.

References

https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2020/WSO2-2020-0687/

Affected products (11)

cpe:2.3:a:wso2:api_manager:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:api_manager_analytics:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:api_microgateway:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:data_analytics_server:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:enterprise_integrator:*:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server:5.5.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server:5.8.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server_analytics:5.5.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server_as_key_manager:5.5.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:iot_server:3.3.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:iot_server:3.3.1:*:*:*:*:*:*:*

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