How severe is CVE-2021-22003?

CVE-2021-22003 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-22003 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22003?

CVE-2021-22003 primarily affects Vmware Identity Manager. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22003?

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-2021-22003 published?

CVE-2021-22003 was published on 2021-08-31 and last updated on 2026-06-17.

CVE-2021-22003

CVE-2021-22003 is a high-severity vulnerability in Vmware Identity Manager with a CVSS 3.x base score of 7.5. 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-307.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Vmware Identity Manager
Published: 2021-08-31
Last modified: 2026-06-17

Description

VMware Workspace ONE Access and Identity Manager, unintentionally provide a login interface on port 7443. A malicious actor with network access to port 7443 may attempt user enumeration or brute force the login endpoint, which may or may not be practical based on lockout policy configuration and password complexity for the target account.

Frequently asked questions

What is CVE-2021-22003?: VMware Workspace ONE Access and Identity Manager, unintentionally provide a login interface on port 7443. A malicious actor with network access to port 7443 may attempt user enumeration or brute force the login endpoint, which may or may not be practical based on lockout policy configuration and password complexity for the target account.
How severe is CVE-2021-22003?: CVE-2021-22003 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-22003 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22003?: CVE-2021-22003 primarily affects Vmware Identity Manager. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22003?: 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-2021-22003 published?: CVE-2021-22003 was published on 2021-08-31 and last updated on 2026-06-17.

References

https://www.vmware.com/security/advisories/VMSA-2021-0016.html

Affected products (16)

cpe:2.3:a:vmware:identity_manager:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:identity_manager:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:identity_manager:3.3.4:*:*:*:*:*:*:*
cpe:2.3:a:vmware:identity_manager:3.3.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workspace_one_access:20.01:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workspace_one_access:20.10:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workspace_one_access:20.10.01:*:*:*:*:*:*:*
cpe:2.3:a:vmware:cloud_foundation:4.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:cloud_foundation:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:cloud_foundation:4.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:cloud_foundation:4.1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:cloud_foundation:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.0.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.2:*:*:*:*:*:*:*

More vulnerabilities in Vmware Identity Manager

CVE-2022-31657 — Critical (CVSS 9.8): VMware Workspace ONE Access and Identity Manager contain a URL injection vulnerability. A malicious actor with network…
CVE-2022-31656 — Critical (CVSS 9.8): VMware Workspace ONE Access, Identity Manager and vRealize Automation contain an authentication bypass vulnerability…
CVE-2022-22972 — Critical (CVSS 9.8): VMware Workspace ONE Access, Identity Manager and vRealize Automation contain an authentication bypass vulnerability…
CVE-2022-22956 — Critical (CVSS 9.8): VMware Workspace ONE Access has two authentication bypass vulnerabilities (CVE-2022-22955 & CVE-2022-22956) in the…
CVE-2022-22955 — Critical (CVSS 9.8): VMware Workspace ONE Access has two authentication bypass vulnerabilities (CVE-2022-22955 & CVE-2022-22956) in the…
CVE-2022-22954 — Critical (CVSS 9.8): VMware Workspace ONE Access and Identity Manager contain a remote code execution vulnerability due to server-side…

All CVEs affecting Vmware Identity Manager →

Other CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities

CVE-2026-6853 — Critical (CVSS 9.8): Improper restriction of excessive authentication attempts vulnerability in Başbelen Group Food Cafe Businesses…
CVE-2026-8760 — Critical (CVSS 9.8): The Login with OTP plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including,…
CVE-2020-37228 — Critical (CVSS 9.8): iDS6 DSSPro Digital Signage System 6.2 contains a CAPTCHA security bypass vulnerability that allows attackers to bypass…
CVE-2026-33879 — Critical (CVSS 9.8): Federated Learning and Interoperability Platform (FLIP) is an open-source platform for federated training and…
CVE-2026-33640 — Critical (CVSS 9.8): Outline is a service that allows for collaborative documentation. Outline implements an Email OTP login flow for users…
CVE-2026-31851 — Critical (CVSS 9.8): Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement rate limiting or account lockout…

Browse all CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities →