CVE-2020-3997
CVE-2020-3997 is a medium-severity vulnerability in Vmware Horizon with a CVSS 3.x base score of 5.4. 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: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Vmware Horizon
- Published:
- Last modified:
Description
VMware Horizon Server (7.x prior to 7.10.3 or 7.13.0) contains a Cross Site Scripting (XSS) vulnerability. Successful exploitation of this issue may allow an attacker to inject malicious script which will be executed.
Frequently asked questions
- What is CVE-2020-3997?
- VMware Horizon Server (7.x prior to 7.10.3 or 7.13.0) contains a Cross Site Scripting (XSS) vulnerability. Successful exploitation of this issue may allow an attacker to inject malicious script which will be executed.
- How severe is CVE-2020-3997?
- CVE-2020-3997 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-3997 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-3997?
- CVE-2020-3997 affects Vmware Horizon. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-3997?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-3997 published?
- CVE-2020-3997 was published on 2020-10-23 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:vmware:horizon:*:*:*:*:*:*:*:*
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