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CVE-2015-4324

17
FAUCET Score

CVE-2015-4324 describes a buffer overflow vulnerability in Cisco NX-OS affecting Nexus 1000V, 3000, 4000, 7000, and 9000 series devices. A remote attacker can exploit this by sending a specially crafted IGMPv3 packet, leading to a denial of service through an IGMP process restart. With a CVSS score of 6.1 (AV:A/AC:L/Au:N/C:N/I:N/A:C), this vulnerability is of medium severity, requiring adjacent network access and low attack complexity to achieve a complete availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.3\(0\)zn\(0.81\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:7.3\(0\)zn\(0.81\):*:*:*:*:*:*:*
4.1\(2\)e1\(1c\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:4.1\(2\)e1\(1c\):*:*:*:*:*:*:*
7.2\(0\)n1\(0.1\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:7.2\(0\)n1\(0.1\):*:*:*:*:*:*:*

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
1.13%
Probability of exploitation in next 30 days
EPSS Percentile
63.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0113 is in the 91st 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/76372
Third Party AdvisoryVDB Entry
securitytracker.com / id/1033327
Third Party AdvisoryVDB Entry