Cyber Resilience

CVE-2021-22522

High

Published: 22 July 2021

Published
22 July 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS Score 0.0024 47.7th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22522 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Microfocus Verastream Host Integrator. Its CVSS base score is 7.1 (High).

Operationally, ranked at the 47.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Reflected Cross-Site Scripting vulnerability in Micro Focus Verastream Host Integrator, affecting version version 7.8 Update 1 and earlier versions. The vulnerability could allow disclosure of confidential data.

CWE(s)

Related Threats

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

Affected Assets

microfocus
verastream host integrator
7.8 · ≤ 7.8

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.

addresses: CWE-79

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

addresses: CWE-79

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

addresses: CWE-79

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

References