CVE-2021-22522
CVE-2021-22522 is a high-severity vulnerability in Microfocus Verastream Host Integrator with a CVSS 3.x base score of 7.1. 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-79.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Microfocus Verastream Host Integrator
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2021-22522?
- 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.
- How severe is CVE-2021-22522?
- CVE-2021-22522 has a CVSS 3.x base score of 7.1, rated high 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 low.
- Is CVE-2021-22522 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-22522?
- CVE-2021-22522 primarily affects Microfocus Verastream Host Integrator. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-22522?
- 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-2021-22522 published?
- CVE-2021-22522 was published on 2021-07-22 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:a:microfocus:verastream_host_integrator:*:*:*:*:*:*:*:*
- cpe:2.3:a:microfocus:verastream_host_integrator:7.8:-:*:*:*:*:*:*
- cpe:2.3:a:microfocus:verastream_host_integrator:7.8:update_1:*:*:*:*:*:*
More vulnerabilities in Microfocus Verastream Host Integrator
- CVE-2021-22523 — High (CVSS 7.6): XML External Entity vulnerability in Micro Focus Verastream Host Integrator, affecting version 7.8 Update 1 and earlier…
- CVE-2020-11842 — High (CVSS 7.5): Information disclosure vulnerability in Micro Focus Verastream Host Integrator (VHI) product, affecting versions…
- CVE-2019-11654 — High (CVSS 7.5): Path traversal vulnerability in Micro Focus Verastream Host Integrator (VHI), versions 7.7 SP2 and earlier, The…
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