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CVE-2012-0643

29
FAUCET Score

CVE-2012-0643 describes a critical vulnerability in Apple iOS before version 5.1, where improper handling of debug system calls in the kernel allows remote attackers to bypass sandbox restrictions and execute arbitrary code. With a CVSS score of 9.3, this vulnerability is highly severe, requiring medium attack complexity but potentially leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity and potential for remote exploitation, there is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

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
4.88%
Probability of exploitation in next 30 days
EPSS Percentile
91.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0488 is in the 58th percentile among its peer group of 8,913 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 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)

applevendor investigatingvia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2012/Mar/msg00001.html
Mailing ListVendor Advisory
lists.apple.com / archives/security-announce/2012/Sep/msg00004.html
Mailing ListVendor Advisory
secunia.com / advisories/48288
Third Party Advisory
support.apple.com / kb/HT5501
Vendor Advisory
securitytracker.com / id
Third Party AdvisoryVDB Entry