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CVE-2018-0395

19
FAUCET Score

CVE-2018-0395 is a denial-of-service vulnerability affecting Cisco FXOS and NX-OS Software due to improper input validation in the Link Layer Discovery Protocol (LLDP) implementation. An unauthenticated, adjacent attacker can exploit this by sending a crafted LLDP packet, causing the device to unexpectedly reload. This vulnerability has a CVSS score of 5.3 (Medium) with an attack vector of adjacent and high attack complexity, leading to a high impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.0\(4\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:6.0\(4\):*:*:*:*:*:*:*
6.1\(3\)s2CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:6.1\(3\)s2:*:*:*:*:*:*:*
r231CPE matchmatch criteria
cpe:2.3:o:cisco:firepower_extensible_operating_system:r231:*:*:*:*:*:*:*
r231CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:r231:*:*:*:*:*:*:*
12.3\(1e\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:12.3\(1e\):*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.86%
Probability of exploitation in next 30 days
EPSS Percentile
54.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0086 is in the 95th percentile among its peer group of 1,749 CVEs.

Social Chatter

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

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos
Vendor Advisory
securityfocus.com / bid/105674
Third Party AdvisoryVDB Entry
securitytracker.com / id/1041919
Third Party AdvisoryVDB Entry