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CVE-2015-6393

UnknownEPSS 1.91%

Last modified

CVE-2015-6393 is a vulnerability of currently unknown severity. Cisco NX-OS 4.1 through 7.3 and 11.0 through 11.2 on Nexus 2000, 3000, 3500, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote attackers to cause a denial of service (device crash) via malformed IPv4 DHCP packets to the DHCPv4 relay agent, aka Bug IDs CSCuq39250, CSCus21733, CSCus21739, CSCut76171, and CSCux67182.. EPSS estimates a 1.91% chance of exploitation in the next 30 days.

Description

Cisco NX-OS 4.1 through 7.3 and 11.0 through 11.2 on Nexus 2000, 3000, 3500, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote attackers to cause a denial of service (device crash) via malformed IPv4 DHCP packets to the DHCPv4 relay agent, aka Bug IDs CSCuq39250, CSCus21733, CSCus21739, CSCut76171, and CSCux67182.

Metrics

EPSS Probability
1.91%

77.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoNx-Os4.2\(1\)n1\(1\)
CiscoNx-Os4.2\(1\)n2\(1\)
CiscoNx-Os4.2\(1\)n2\(1a\)
CiscoNx-Os5.0\(2\)n1\(1\)
CiscoNx-Os5.0\(2\)n2\(1\)
CiscoNx-Os5.0\(2\)n2\(1a\)
CiscoNx-Os5.0\(3\)n1\(1c\)
CiscoNx-Os5.0\(3\)n2\(1\)
CiscoNx-Os5.0\(3\)n2\(2\)
CiscoNx-Os5.0\(3\)n2\(2a\)
CiscoNx-Os5.0\(3\)n2\(2b\)
CiscoNx-Os5.1\(3\)n1\(1\)
CiscoNx-Os5.1\(3\)n1\(1a\)
CiscoNx-Os5.1\(3\)n2\(1\)
CiscoNx-Os5.1\(3\)n2\(1a\)
CiscoNx-Os5.1\(3\)n2\(1b\)
CiscoNx-Os5.1\(3\)n2\(1c\)
CiscoNx-Os5.2\(1\)n1\(1\)
CiscoNx-Os5.2\(1\)n1\(1a\)
CiscoNx-Os5.2\(1\)n1\(1b\)
CiscoNx-Os5.2\(1\)n1\(2\)
CiscoNx-Os5.2\(1\)n1\(2a\)
CiscoNx-Os5.2\(1\)n1\(3\)
CiscoNx-Os5.2\(1\)n1\(4\)
CiscoNx-Os5.2\(1\)n1\(5\)
CiscoNx-Os5.2\(1\)n1\(6\)
CiscoNx-Os5.2\(1\)n1\(7\)
CiscoNx-Os5.2\(1\)n1\(8\)
CiscoNx-Os5.2\(1\)n1\(8a\)
CiscoNx-Os6.0\(2\)n1\(2a\)
CiscoNx-Os6.0\(2\)n1\(2\)
CiscoNx-Os6.0\(2\)n2\(1\)
CiscoNx-Os6.0\(2\)n2\(1b\)
CiscoNx-Os6.0\(2\)n2\(2\)
CiscoNx-Os6.0\(2\)n2\(3\)
CiscoNx-Os6.0\(2\)n2\(4\)
CiscoNx-Os6.0\(2\)n2\(5\)
CiscoNx-Os6.0\(2\)n2\(5a\)
CiscoNx-Os6.0\(2\)n2\(6\)
CiscoNx-Os7.0\(0\)n1\(1\)
CiscoNx-Os7.0\(1\)n1\(1\)
CiscoNx-Os7.0\(2\)n1\(1\)
CiscoNx-Os7.0\(3\)n1\(1\)
CiscoNx-Os7.0\(4\)n1\(1\)
CiscoNx-Os7.0\(5\)n1\(1\)
CiscoNx-Os7.0\(5\)n1\(1a\)
CiscoNx-Os7.1\(0\)n1\(1a\)
CiscoNx-Os7.1\(0\)n1\(1b\)
CiscoNx-Os6.1\(2\)i2\(1\)
CiscoNx-Os6.1\(2\)i2\(2\)

Showing 50 of 104 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-6393?
Cisco NX-OS 4.1 through 7.3 and 11.0 through 11.2 on Nexus 2000, 3000, 3500, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote attackers to cause a denial of service (device crash) via malformed IPv4 DHCP packets to the DHCPv4 relay agent, aka Bug IDs CSCuq39250, CSCus21733, CSCus21739, CSCut76171, and CSCux67182.
How severe is CVE-2015-6393?
Severity scoring for CVE-2015-6393 is pending analysis. The EPSS model estimates a 1.91% probability of exploitation in the next 30 days.
How do I fix CVE-2015-6393?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST