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CVE-2014-8371

14
FAUCET Score

CVE-2014-8371 describes a certificate validation vulnerability in VMware vCenter Server Appliance (vCSA) versions 5.5 prior to Update 2, 5.1 prior to Update 3, and 5.0 prior to Update 3c. This flaw allows a man-in-the-middle attacker to spoof CIM servers on an ESXi host by presenting a crafted certificate. The vulnerability has a CVSS score of 4.3 (Medium), indicating a network-based attack with medium complexity and potential for partial integrity impact (data manipulation). There is no evidence of active exploitation, and no public exploit code or Metasploit modules are available. Community discussion and media coverage are minimal, suggesting low current attention.

Impacted Technologies

VendorProductVersion(s)CPE
5.0CPE matchmatch criteria
cpe:2.3:a:vmware:vcenter_server_appliance:5.0:update_1:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:vmware:vcenter_server_appliance:5.0:update_2:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:vmware:vcenter_server_appliance:5.0:update_3:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:vmware:vcenter_server_appliance:5.0:update_3a:*:*:*:*:*:*
5.1CPE matchmatch criteria
cpe:2.3:a:vmware:vcenter_server_appliance:5.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.59%
Probability of exploitation in next 30 days
EPSS Percentile
44.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0059 is in the 7th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

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

Remediation

Vendor Patches (1)

vmwarevendor investigatingvia nvd_reference
View patch

References

seclists.org / fulldisclosure/2014/Dec/23
securityfocus.com / archive/1/534161/100/0/threaded
vmware.com / security/advisories/VMSA-2014-0012.html
Vendor Advisory