Cyber Resilience

CVE-2020-17453

MediumPublic PoC

Published: 05 April 2021

Published
05 April 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.5785 98.2th percentile
Risk Priority 47 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-17453 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Wso2 Identity Server As Key Manager. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 1.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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

CWE(s)
CWE-79

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

wso2
api manager
≤ 3.2.0
wso2
api manager analytics
2.2.0, 2.5.0, 2.6.0
wso2
api microgateway
2.2.0
wso2
enterprise integrator
≤ 6.6.0
wso2
identity server
≤ 5.10.0
wso2
identity server analytics
5.4.0, 5.4.1, 5.5.0, 5.6.0
wso2
identity server as key manager
5.10.0, 5.5.0, 5.6.0, 5.7.0, 5.9.0
wso2
micro integrator
1.0.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation
addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering
addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References