How severe is CVE-2023-20886?

CVE-2023-20886 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-20886 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20886?

CVE-2023-20886 affects Vmware Workspace One Uem. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-20886?

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-2023-20886 published?

CVE-2023-20886 was published on 2023-10-31 and last updated on 2026-06-17.

CVE-2023-20886

CVE-2023-20886 is a high-severity vulnerability in Vmware Workspace One Uem with a CVSS 3.x base score of 8.8. 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-601.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Vmware Workspace One Uem
Published: 2023-10-31
Last modified: 2026-06-17

Description

VMware Workspace ONE UEM console contains an open redirect vulnerability. A malicious actor may be able to redirect a victim to an attacker and retrieve their SAML response to login as the victim user.

Frequently asked questions

What is CVE-2023-20886?: VMware Workspace ONE UEM console contains an open redirect vulnerability. A malicious actor may be able to redirect a victim to an attacker and retrieve their SAML response to login as the victim user.
How severe is CVE-2023-20886?: CVE-2023-20886 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-20886 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20886?: CVE-2023-20886 affects Vmware Workspace One Uem. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-20886?: 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-2023-20886 published?: CVE-2023-20886 was published on 2023-10-31 and last updated on 2026-06-17.

References

https://www.vmware.com/security/advisories/VMSA-2023-0025.html

Affected products (1)

cpe:2.3:a:vmware:workspace_one_uem:*:*:*:*:*:*:*:*

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