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CVE-2015-5898

11
FAUCET Score

CVE-2015-5898 describes a vulnerability in CFNetwork on Apple iOS before version 9, where the cache encryption key relied on the hardware UID. This design flaw allowed physically proximate attackers to potentially obtain sensitive information by accessing the UID. The vulnerability has a low CVSS score of 2.1 (AV:L/AC:L/Au:N/C:P/I:N/A:N), indicating local access, low attack complexity, and a partial impact on confidentiality. 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
<= 8.4.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:o:apple:watchos:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
16.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 3rd percentile among its peer group of 2,096 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, 0.0 Bluesky, 0.0 Mastodon, and 0.6 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

lists.apple.com / archives/security-announce/2015/Sep/msg00001.html
Vendor Advisory
lists.apple.com / archives/security-announce/2015/Sep/msg00005.html
Vendor Advisory
support.apple.com / HT205212
Vendor Advisory
support.apple.com / HT205213
Vendor Advisory
securityfocus.com / bid/76764
securitytracker.com / id/1033609