How severe is CVE-2010-4573?

CVE-2010-4573 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-4573 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4573?

CVE-2010-4573 affects Vmware Esxi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-4573?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2010-4573 published?

CVE-2010-4573 was published on 2010-12-22 and last updated on 2026-06-16.

CVE-2010-4573

CVE-2010-4573 is a critical-severity vulnerability in Vmware Esxi with a CVSS 2.0 base score of 9.3. 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-287.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Vmware Esxi
Published: 2010-12-22
Last modified: 2026-06-16

Description

The Update Installer in VMware ESXi 4.1, when a modified sfcb.cfg is present, does not properly configure the SFCB authentication mode, which allows remote attackers to obtain access via an arbitrary username and password.

Frequently asked questions

What is CVE-2010-4573?: The Update Installer in VMware ESXi 4.1, when a modified sfcb.cfg is present, does not properly configure the SFCB authentication mode, which allows remote attackers to obtain access via an arbitrary username and password.
How severe is CVE-2010-4573?: CVE-2010-4573 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-4573 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4573?: CVE-2010-4573 affects Vmware Esxi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-4573?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2010-4573 published?: CVE-2010-4573 was published on 2010-12-22 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:vmware:esxi:4.1:*:*:*:*:*:*:*

More vulnerabilities in Vmware Esxi

CVE-2013-1405 — Critical (CVSS 10.0): VMware vCenter Server 4.0 before Update 4b and 4.1 before Update 3a, VMware VirtualCenter 2.5, VMware vSphere Client…
CVE-2012-1516 — Critical (CVSS 9.9): The VMX process in VMware ESXi 3.5 through 4.1 and ESX 3.5 through 4.1 does not properly handle RPC commands, which…
CVE-2021-21994 — Critical (CVSS 9.8): SFCB (Small Footprint CIM Broker) as used in ESXi has an authentication bypass vulnerability. A malicious actor with…
CVE-2020-3992 — Critical (CVSS 9.8): OpenSLP as used in VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202010401-SG, 6.5 before…
CVE-2019-5544 — Critical (CVSS 9.8): OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue. VMware has evaluated the severity…
CVE-2010-0211 — Critical (CVSS 9.8): The slap_modrdn2mods function in modrdn.c in OpenLDAP 2.4.22 does not check the return value of a call to the…

All CVEs affecting Vmware Esxi →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-101077 — Critical (CVSS 10.0): A flaw has been found in Netcore NR289-GE 1.4.5102. This impacts the function process_request of the component boa_temp…
CVE-2026-100886 — Critical (CVSS 10.0): A vulnerability was identified in Seetong T8108, T8108P, T8116 and T8232 4.6.1.4-build202604241011. The affected…
CVE-2026-77244 — Critical (CVSS 10.0): MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0,…
CVE-2026-94493 — Critical (CVSS 10.0): A vulnerability was detected in Gigatech PDV5701 1.0.31_240305_112640. This issue affects some unknown processing of…
CVE-2026-83099 — Critical (CVSS 10.0): Vulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode).…
CVE-2026-83059 — Critical (CVSS 10.0): Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).…

Browse all CWE-287 (Improper Authentication) vulnerabilities →