Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2010-4573

30
FAUCET Score

CVE-2010-4573 describes a critical authentication bypass vulnerability in the Update Installer component of VMware ESXi 4.1. When a modified sfcb.cfg file is present, the installer fails to properly configure the SFCB authentication mode, allowing remote attackers to gain unauthorized access using any username and password combination. This vulnerability carries a CVSS score of 9.3, indicating a severe risk with network-based attacks, low attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.1CPE matchmatch criteria
cpe:2.3:a:vmware:esxi:4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.52%
Probability of exploitation in next 30 days
EPSS Percentile
83.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0252 is in the 40th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

vmwarevendor investigatingvia nvd_reference
View patch

References

kb.vmware.com / kb/1031761
lists.vmware.com / pipermail/security-announce/2010/000114.html
secunia.com / advisories/42591
Vendor Advisory
securitytracker.com / id
securityfocus.com / archive/1/515420/100/0/threaded
securityfocus.com / bid/45543
vmware.com / security/advisories/VMSA-2010-0020.html
Vendor Advisory
vupen.com / english/advisories/2010/3303
Vendor Advisory