How severe is CVE-2020-17453?

CVE-2020-17453 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-17453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-17453?

CVE-2020-17453 primarily affects Wso2 Api Manager. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-17453?

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

When was CVE-2020-17453 published?

CVE-2020-17453 was published on 2021-04-05 and last updated on 2026-06-17.

CVE-2020-17453

CVE-2020-17453 is a medium-severity vulnerability in Wso2 Api Manager with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 26% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 26% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wso2 Api Manager
Published: 2021-04-05
Last modified: 2026-06-17

Description

WSO2 Management Console through 5.10 allows XSS via the carbon/admin/login.jsp msgId parameter.

Frequently asked questions

What is CVE-2020-17453?: WSO2 Management Console through 5.10 allows XSS via the carbon/admin/login.jsp msgId parameter.
How severe is CVE-2020-17453?: CVE-2020-17453 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-17453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-17453?: CVE-2020-17453 primarily affects Wso2 Api Manager. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-17453?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-17453 published?: CVE-2020-17453 was published on 2021-04-05 and last updated on 2026-06-17.

References

Affected products (17)

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_manager_analytics:2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:api_microgateway:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:enterprise_integrator:*:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server:*:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server_analytics:5.4.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server_analytics:5.4.1:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server_analytics:5.5.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server_analytics:5.6.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:identity_server_as_key_manager:5.5.0:*:*:*:*:*:*:*
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_as_key_manager:5.10.0:*:*:*:*:*:*:*
cpe:2.3:a:wso2:micro_integrator:1.0.0:*:*:*:*:*:*:*

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