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CVE-2009-2834

15
FAUCET Score

CVE-2009-2834 describes a local privilege escalation vulnerability in Apple Mac OS X before version 10.6.2, allowing an attacker to modify the firmware of connected USB or Bluetooth keyboards through unspecified means. With a CVSS score of 4.9, this vulnerability requires local access (AV:L) and has low attack complexity (AC:L), primarily impacting integrity (I:C) by enabling unauthorized firmware alteration. Despite its potential for persistent compromise, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion, indicating a low current threat level.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.6.1CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.0:*:*:*:*:*:*:*
10.0.0CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.0.0:*:*:*:*:*:*:*
10.0.1CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.0.1:*:*:*:*:*:*:*
10.0.2CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
COMPLETE
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
27.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 40th percentile among its peer group of 3,052 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 0.4 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

Patch Available

Vendor Patches (1)

applepatch availablevia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2009/Nov/msg00000.html
PatchVendor Advisory
support.apple.com / kb/HT3937
PatchVendor Advisory
securityfocus.com / bid/36956
Patch
vupen.com / english/advisories/2009/3184