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CVE-2017-13855

30
FAUCET Score

CVE-2017-13855 is a type confusion vulnerability in the Kernel component of Apple iOS, macOS, tvOS, and watchOS, allowing a crafted application to bypass memory-read restrictions. Rated Medium severity (CVSS 5.5), it requires user interaction (UI:R) to execute, leading to high confidentiality impact (C:H) but no integrity or availability impact. While not actively exploited in the wild and not on the KEV catalog, a public exploit (EDB-43318) exists for macOS, yet there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 11.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 10.13.2CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
< 11.2CPE matchmatch criteria
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
< 4.2CPE matchmatch criteria
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.78%
Probability of exploitation in next 30 days
EPSS Percentile
91.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-43318 · Dec 11, 2017
This CVE's current EPSS score of 0.0478 is in the 97th percentile among its peer group of 5,760 CVEs.

Social Chatter

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

support.apple.com / HT208325
Vendor Advisory
support.apple.com / HT208327
Vendor Advisory
support.apple.com / HT208331
Vendor Advisory
support.apple.com / HT208334
Vendor Advisory
exploit-db.com / exploits/43318
Third Party AdvisoryVDB Entry
securityfocus.com / bid/102100
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039952
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039953
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039966
Third Party AdvisoryVDB Entry