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CVE-2015-5869

13
FAUCET Score

CVE-2015-5869 describes a vulnerability in the Neighbor Discovery (ND) protocol within the IPv6 stack of Apple iOS before version 9, affecting iPhone OS, macOS, and watchOS. An adjacent attacker can reconfigure a hop-limit setting by sending a Router Advertisement (RA) message with a small hop_limit value, leading to a partial integrity impact. This vulnerability has a low CVSS score of 3.3, indicating a low severity, and there is no evidence of active exploitation, publicly available exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.10.5CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
<= 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

3.3LOW

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
6.5
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.91%
Probability of exploitation in next 30 days
EPSS Percentile
56.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0091 is in the 45th percentile among its peer group of 94 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 0.0 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/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
openwall.com / lists/oss-security/2015/04/04/2
support.apple.com / HT205212
Vendor Advisory
support.apple.com / HT205213
Vendor Advisory
support.apple.com / HT205267
Vendor Advisory
securityfocus.com / bid/76764
securitytracker.com / id/1033609