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-2004-0821

23
FAUCET Score

CVE-2004-0821 describes a local privilege escalation vulnerability in the Core Foundation framework's CFPlugIn component within Apple Mac OS X and Mac OS X Server. This flaw allows user-supplied libraries to be loaded, potentially granting local attackers elevated privileges. With a CVSS score of 7.2 (AV:L/AC:L/Au:N/C:C/I:C/A:C), it indicates high impact on confidentiality, integrity, and availability, requiring local access and low attack complexity. Despite its age and high community discussion (10 mentions), there is no evidence of active exploitation, nor are there known Metasploit, Nuclei, or ExploitDB modules available.

Impacted Technologies

VendorProductVersion(s)CPE
10.2.8CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.2.8:*:*:*:*:*:*:*
10.3.4CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.3.4:*:*:*:*:*:*:*
10.3.5CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.3.5:*:*:*:*:*:*:*
10.2.8CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x_server:10.2.8:*:*:*:*:*:*:*
10.3.4CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x_server:10.3.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
34.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 50th percentile among its peer group of 3,241 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 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

Remediation records are not available for this CVE.

References

secunia.com / advisories/12491
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/17291
auscert.org.au / render.html
ciac.org / ciac/bulletins/o-212.shtml
Vendor Advisory
kb.cert.org / vuls/id/704110
PatchThird Party AdvisoryUS Government Resource
securityfocus.com / bid/11135
Patch