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CVE-2013-3951

14
FAUCET Score

CVE-2013-3951 describes a vulnerability in the stack-cookie implementation of libc in Apple iOS 6.1.3 and Mac OS X 10.8.x, allowing local users to bypass stack cookie randomization. This bypass is achieved by executing a program with a specific call-path substring, potentially enabling iOS untethering or attacks against setuid Mac OS X programs. The vulnerability has a CVSS score of 4.6 (medium severity), indicating a local attack vector with low complexity, leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
<= 10.10.4CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
<= 1.0.1CPE matchmatch criteria
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
6.1.3CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:6.1.3:*:*:*:*:*:*:*
10.8.0CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.46%
Probability of exploitation in next 30 days
EPSS Percentile
37.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0046 is in the 69th 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

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

antid0te.com / syscan_2013/SyScan2013_Mountain_Lion_iOS_Vulnerabilities_Garage_Sale_Whitepaper.pdf
Exploit
lists.apple.com / archives/security-announce/2015/Sep/msg00001.html
Vendor Advisory
lists.apple.com / archives/security-announce/2015/Sep/msg00005.html
Vendor Advisory
lists.apple.com / archives/security-announce/2015/Sep/msg00008.html
Vendor Advisory
support.apple.com / HT205212
Vendor Advisory
support.apple.com / HT205213
Vendor Advisory
support.apple.com / HT205267
Vendor Advisory
securitytracker.com / id/1033703
syscan.org / index.php/sg/program/day/2