Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-4323

17
FAUCET Score

CVE-2015-4323 describes a buffer overflow vulnerability in Cisco NX-OS and SAN-OS on various Nexus and MDS 9000 series devices. This flaw allows remote attackers to trigger a denial of service, leading to a device outage, by sending a specially crafted ARP packet due to incorrect MTU validation. With a CVSS score of 6.1 (Medium), the vulnerability is exploitable over the adjacent network with low attack complexity, resulting in a complete loss of availability. There is currently 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
6.2\(14\)s1CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:6.2\(14\)s1:*:*:*:*:*:*:*
6.0\(2\)u5\(1.41\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:6.0\(2\)u5\(1.41\):*:*:*:*:*:*:*
7.0\(3\)i2\(0.373\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:7.0\(3\)i2\(0.373\):*:*:*:*:*:*:*
7.3\(0\)zn\(0.83\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:7.3\(0\)zn\(0.83\):*:*:*:*:*:*:*
7.3\(0\)zn\(0.9\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:7.3\(0\)zn\(0.9\):*:*:*:*:*:*:*

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
0.98%
Probability of exploitation in next 30 days
EPSS Percentile
58.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0098 is in the 88th 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/viewAlert.x
Vendor Advisory
securityfocus.com / bid/76367
securitytracker.com / id/1033321