Cyber Resilience

CVE-2023-20884

Open Redirect in Vmware Identity Manager 3.3.6 … 3.3.7

Open Redirect
Published
30 May 2023
Modified
10 January 2025
Patch / advisory
View advisory
CVSS Score v3.1 6.1
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0035 28th percentile
Risk Priority 47 floored blend · peak EPSS

Summary

CVE-2023-20884 is a medium-severity Open Redirect (CWE-601) vulnerability in Vmware Identity Manager. Its CVSS base score is 6.1 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Phishing (T1566); ranked at the 28th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A01:2025 Broken Access Control

EU & UK References

Vulnerability Data

VMware Workspace ONE Access and VMware Identity Manager contain an insecure redirect vulnerability. An unauthenticated malicious actor may be able to redirect a victim to an attacker controlled domain due to improper path handling leading to sensitive information disclosure.

CWE(s)
CWE-601

Related Threats

MITRE ATT&CK Enterprise Techniques

T1566 Phishing Initial Access
Adversaries may send phishing messages to gain access to victim systems.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2026-2813Same product: Linux Linux Kernel
CVE-2020-4006Same product: Linux Linux Kernel
CVE-2023-25734Same product: Microsoft Windows
CVE-2025-54196Same product: Microsoft Windows
CVE-2025-21401Same vendor: Microsoft
CVE-2026-41706Same vendor: Vmware
CVE-2024-43536Same vendor: Microsoft
CVE-2026-41844Same vendor: Vmware
CVE-2023-23395Same vendor: Microsoft
CVE-2024-43543Same vendor: Microsoft

Affected Assets

vmware
identity manager
3.3.6, 3.3.7
vmware
workspace one access
21.0.8.0 — 22.09.1.0
vmware
cloud foundation
all versions
vmware
identity manager connector
all versions

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V3.7.2

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.

AT-2 Literacy Training and Awareness
addresses: CWE-601

Security awareness includes verifying URLs and avoiding untrusted redirects that lead to malicious sites.

SI-10 Information Input Validation
addresses: CWE-601

Validates redirect targets and URLs to ensure they conform to allowed destinations.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly require input validation and untrusted-redirect controls that prevent CWE-601.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.23 Web filtering partial match
mitigates

Preventing access to attacker-controlled or malicious sites stops users from being redirected to untrusted locations via open-redirect or phishing links.

References