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CVE-2006-4390

12
FAUCET Score

CVE-2006-4390 describes a vulnerability in CFNetwork within Apple Mac OS X versions 10.3.9 through 10.4.7, where remote SSL sites could mislead users into believing they were trusted by displaying the Safari lock icon despite lacking proper authentication. This issue has a low CVSS score of 2.6, indicating a network attack vector with high attack complexity and a potential impact limited to partial integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
10.3.9CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.3.9:*:*:*:*:*:*:*
10.4CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.4:*:*:*:*:*:*:*
10.4.1CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.4.1:*:*:*:*:*:*:*
10.4.2CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.4.2:*:*:*:*:*:*:*
10.4.3CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.4.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.6LOW

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.74%
Probability of exploitation in next 30 days
EPSS Percentile
50.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0074 is in the 32nd percentile among its peer group of 1,506 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, 0.1 Bluesky, 0.0 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

lists.apple.com / archives/security-announce/2006/Sep/msg00002.html
Patch
secunia.com / advisories/22187
securitytracker.com / id
Patch
exchange.xforce.ibmcloud.com / vulnerabilities/29277
osvdb.org / 29267
securityfocus.com / bid/20271
vupen.com / english/advisories/2006/3852