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CVE-2015-6359

17
FAUCET Score

CVE-2015-6359 describes a denial-of-service vulnerability in the IPv6 Neighbor Discovery (ND) protocol implementation of Cisco IOS 15.3(3)S0.1 on ASR devices. Attackers can exploit this by sending a flood of crafted ND messages, leading to memory exhaustion or a device crash. This vulnerability has a CVSS score of 6.1, indicating a medium severity, and can be exploited with low complexity by an unauthenticated attacker on the adjacent network. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
15.2\(4\)eCPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.2\(4\)e:*:*:*:*:*:*:*
15.2\(4\)piCPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.2\(4\)pi:*:*:*:*:*:*:*
15.2\(4\)stCPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.2\(4\)st:*:*:*:*:*:*:*
15.2\(5\)stCPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.2\(5\)st:*:*:*:*:*:*:*
15.3\(3\)s0.1CPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.3\(3\)s0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.1MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
6.5
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.91%
Probability of exploitation in next 30 days
EPSS Percentile
56.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0091 is in the 86th percentile among its peer group of 1,802 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 0.1 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)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20151214-ios
Vendor Advisory
securityfocus.com / bid/79200
securitytracker.com / id/1034432