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CiscoCISCO-SA-20181017-FXNX-OS-DOSHistoryOct 17, 2018 - 4:00 p.m.
Cisco FXOS and NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability
2018-10-1716:00:00
tools.cisco.com
504
0.001 Low
EPSS
Percentile
44.0%
A vulnerability in the Link Layer Discovery Protocol (LLDP) implementation for Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when the device unexpectedly reloads.
The vulnerability is due to improper input validation of certain type, length, value (TLV) fields of the LLDP frame header. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface on the targeted device. A successful exploit could allow the attacker to cause the switch to reload unexpectedly.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos [“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos”]
Affected configurations
Node
cisconx-osMatch4.1nexus_9000_series
ORcisconx-osMatch5.0nexus_9000_series
ORcisconx-osMatch4.2nexus_9000_series
ORcisconx-osMatch5.1nexus_9000_series
ORcisconx-osMatch5.2nexus_9000_series
ORcisconx-osMatch4.0\(0\)n1nexus_9000_series
ORcisconx-osMatch4.0\(1a\)n1nexus_9000_series
ORcisconx-osMatch4.0\(1a\)n2nexus_9000_series
ORcisconx-osMatch4.1\(3\)n1nexus_9000_series
ORcisconx-osMatch4.1\(3\)n2nexus_9000_series
ORcisconx-osMatch4.2\(1\)n1nexus_9000_series
ORcisconx-osMatch4.2\(1\)n2nexus_9000_series
ORcisconx-osMatch5.0\(2\)n1nexus_9000_series
ORcisconx-osMatch5.0\(2\)n2nexus_9000_series
ORcisconx-osMatch5.0\(3\)a1nexus_9000_series
ORcisconx-osMatch5.0\(3\)n1nexus_9000_series
ORcisconx-osMatch5.0\(3\)n2nexus_9000_series
ORcisconx-osMatch5.0\(3\)u1nexus_9000_series
ORcisconx-osMatch5.0\(3\)u2nexus_9000_series
ORcisconx-osMatch5.0\(3\)u3nexus_9000_series
ORcisconx-osMatch5.0\(3\)u4nexus_9000_series
ORcisconx-osMatch5.0\(3\)u5nexus_9000_series
ORcisconx-osMatch5.1\(3\)n1nexus_9000_series
ORcisconx-osMatch5.1\(3\)n2nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1nexus_9000_series
ORcisconx-osMatch5.2\(9\)n1nexus_9000_series
ORcisconx-osMatch6.0nexus_9000_series
ORcisconx-osMatch6.0\(2\)a1nexus_9000_series
ORcisconx-osMatch6.0\(2\)n1nexus_9000_series
ORcisconx-osMatch6.0\(2\)n2nexus_9000_series
ORcisconx-osMatch6.0\(2\)u1nexus_9000_series
ORcisconx-osMatch8.0nexus_9000_series
ORciscounified_computing_system_softwareMatchany
ORciscofirepower_system_softwareMatchany
ORcisconx-osMatch11.0nexus_9000_series
ORcisconx-osMatch11.1nexus_9000_series
ORcisconx-osMatch11.2nexus_9000_series
ORcisconx-osMatch12.0nexus_9000_series
ORcisconx-osMatch12.1nexus_9000_series
ORcisconx-osMatch12.2nexus_9000_series
ORcisconx-osMatch12.3nexus_9000_series
ORcisconx-osMatch13.0nexus_9000_series
ORcisconx-osMatch13.1nexus_9000_series
ORcisconx-osMatch13.2nexus_9000_series
ORcisconx-osMatch11.3nexus_9000_series
ORcisconx-osMatch4.1\(2\)nexus_9000_series
ORcisconx-osMatch4.1\(3\)nexus_9000_series
ORcisconx-osMatch4.1\(4\)nexus_9000_series
ORcisconx-osMatch4.1\(5\)nexus_9000_series
ORcisconx-osMatch5.0\(2a\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)nexus_9000_series
ORcisconx-osMatch5.0\(5\)nexus_9000_series
ORcisconx-osMatch4.2\(2a\)nexus_9000_series
ORcisconx-osMatch4.2\(3\)nexus_9000_series
ORcisconx-osMatch4.2\(4\)nexus_9000_series
ORcisconx-osMatch4.2\(6\)nexus_9000_series
ORcisconx-osMatch4.2\(8\)nexus_9000_series
ORcisconx-osMatch5.1\(1\)nexus_9000_series
ORcisconx-osMatch5.1\(1a\)nexus_9000_series
ORcisconx-osMatch5.1\(3\)nexus_9000_series
ORcisconx-osMatch5.1\(4\)nexus_9000_series
ORcisconx-osMatch5.1\(5\)nexus_9000_series
ORcisconx-osMatch5.1\(6\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)nexus_9000_series
ORcisconx-osMatch5.2\(3a\)nexus_9000_series
ORcisconx-osMatch5.2\(4\)nexus_9000_series
ORcisconx-osMatch5.2\(5\)nexus_9000_series
ORcisconx-osMatch5.2\(7\)nexus_9000_series
ORcisconx-osMatch5.2\(3\)nexus_9000_series
ORcisconx-osMatch4.0\(0\)n1\(1a\)nexus_9000_series
ORcisconx-osMatch4.0\(0\)n1\(2\)nexus_9000_series
ORcisconx-osMatch4.0\(0\)n1\(2a\)nexus_9000_series
ORcisconx-osMatch4.0\(1a\)n1\(1\)nexus_9000_series
ORcisconx-osMatch4.0\(1a\)n1\(1a\)nexus_9000_series
ORcisconx-osMatch4.0\(1a\)n2\(1\)nexus_9000_series
ORcisconx-osMatch4.0\(1a\)n2\(1a\)nexus_9000_series
ORcisconx-osMatch4.1\(3\)n1\(1\)nexus_9000_series
ORcisconx-osMatch4.1\(3\)n1\(1a\)nexus_9000_series
ORcisconx-osMatch4.1\(3\)n2\(1\)nexus_9000_series
ORcisconx-osMatch4.1\(3\)n2\(1a\)nexus_9000_series
ORcisconx-osMatch4.2\(1\)n1\(1\)nexus_9000_series
ORcisconx-osMatch4.2\(1\)n2\(1\)nexus_9000_series
ORcisconx-osMatch4.2\(1\)n2\(1a\)nexus_9000_series
ORcisconx-osMatch5.0\(2\)n1\(1\)nexus_9000_series
ORcisconx-osMatch5.0\(2\)n2\(1\)nexus_9000_series
ORcisconx-osMatch5.0\(2\)n2\(1a\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)a1\(1\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)a1\(2\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)a1\(2a\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)n1\(1c\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)n1\(1\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)n1\(1a\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)n1\(1b\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)n2\(1\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)n2\(2\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)n2\(2a\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)n2\(2b\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u1\(1\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u1\(1a\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u1\(1b\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u1\(1d\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u1\(2\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u1\(2a\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u1\(1c\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u2\(1\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u2\(2\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u2\(2a\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u2\(2b\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u2\(2c\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u2\(2d\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u3\(1\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u3\(2\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u3\(2a\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u3\(2b\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u4\(1\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u5\(1\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u5\(1a\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u5\(1b\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u5\(1c\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u5\(1d\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u5\(1e\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u5\(1f\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u5\(1g\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u5\(1h\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u5\(1i\)nexus_9000_series
ORcisconx-osMatch5.0\(3\)u5\(1j\)nexus_9000_series
ORcisconx-osMatch5.1\(3\)n1\(1\)nexus_9000_series
ORcisconx-osMatch5.1\(3\)n1\(1a\)nexus_9000_series
ORcisconx-osMatch5.1\(3\)n2\(1\)nexus_9000_series
ORcisconx-osMatch5.1\(3\)n2\(1a\)nexus_9000_series
ORcisconx-osMatch5.1\(3\)n2\(1b\)nexus_9000_series
ORcisconx-osMatch5.1\(3\)n2\(1c\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(1\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(1a\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(1b\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(2\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(2a\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(3\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(4\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(5\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(6\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(7\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(8a\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(8\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(8b\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(9\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(9a\)nexus_9000_series
ORcisconx-osMatch5.2\(1\)n1\(9b\)nexus_9000_series
ORcisconx-osMatch5.2\(9\)n1\(1\)nexus_9000_series
ORcisconx-osMatch6.0\(1\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)nexus_9000_series
ORcisconx-osMatch6.0\(3\)nexus_9000_series
ORcisconx-osMatch6.0\(4\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)a1\(1\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)a1\(1a\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)n1\(1\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)n1\(2\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)n1\(2a\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)n1\(1a\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)n2\(1\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)n2\(1b\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)n2\(2\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)n2\(3\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)n2\(4\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)n2\(5\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)n2\(5a\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)n2\(6\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)n2\(7\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)u1\(1\)nexus_9000_series
ORcisconx-osMatch6.0\(2\)u1\(1a\)nexus_9000_series
ORcisconx-osMatch8.0\(1\)s2nexus_9000_series
ORciscounified_computing_system_softwareMatchany
ORciscofirepower_system_softwareMatchany
ORcisconx-osMatch11.0\(1b\)nexus_9000_series
ORcisconx-osMatch11.0\(1c\)nexus_9000_series
ORcisconx-osMatch11.0\(1d\)nexus_9000_series
ORcisconx-osMatch11.0\(1e\)nexus_9000_series
ORcisconx-osMatch11.0\(2j\)nexus_9000_series
ORcisconx-osMatch11.0\(2m\)nexus_9000_series
ORcisconx-osMatch11.0\(3f\)nexus_9000_series
ORcisconx-osMatch11.0\(3i\)nexus_9000_series
ORcisconx-osMatch11.0\(3k\)nexus_9000_series
ORcisconx-osMatch11.0\(3n\)nexus_9000_series
ORcisconx-osMatch11.0\(3o\)nexus_9000_series
ORcisconx-osMatch11.0\(4h\)nexus_9000_series
ORcisconx-osMatch11.0\(4o\)nexus_9000_series
ORcisconx-osMatch11.0\(4q\)nexus_9000_series
ORcisconx-osMatch11.1\(1j\)nexus_9000_series
ORcisconx-osMatch11.1\(1o\)nexus_9000_series
ORcisconx-osMatch11.1\(1r\)nexus_9000_series
ORcisconx-osMatch11.1\(1s\)nexus_9000_series
ORcisconx-osMatch11.1\(2h\)nexus_9000_series
ORcisconx-osMatch11.1\(2i\)nexus_9000_series
ORcisconx-osMatch11.1\(3f\)nexus_9000_series
ORcisconx-osMatch11.1\(4e\)nexus_9000_series
ORcisconx-osMatch11.2\(1i\)nexus_9000_series
ORcisconx-osMatch11.2\(2g\)nexus_9000_series
ORcisconx-osMatch11.2\(3c\)nexus_9000_series
ORcisconx-osMatch11.2\(2h\)nexus_9000_series
ORcisconx-osMatch11.2\(2i\)nexus_9000_series
ORcisconx-osMatch11.2\(3e\)nexus_9000_series
ORcisconx-osMatch11.2\(3h\)nexus_9000_series
ORcisconx-osMatch11.2\(3m\)nexus_9000_series
ORcisconx-osMatch12.0\(1m\)nexus_9000_series
ORcisconx-osMatch12.0\(2g\)nexus_9000_series
ORcisconx-osMatch12.0\(1n\)nexus_9000_series
ORcisconx-osMatch12.0\(1o\)nexus_9000_series
ORcisconx-osMatch12.0\(1p\)nexus_9000_series
ORcisconx-osMatch12.0\(1q\)nexus_9000_series
ORcisconx-osMatch12.0\(2h\)nexus_9000_series
ORcisconx-osMatch12.0\(2l\)nexus_9000_series
ORcisconx-osMatch12.0\(2m\)nexus_9000_series
ORcisconx-osMatch12.0\(2n\)nexus_9000_series
ORcisconx-osMatch12.0\(2o\)nexus_9000_series
ORcisconx-osMatch12.0\(2f\)nexus_9000_series
ORcisconx-osMatch12.1\(1h\)nexus_9000_series
ORcisconx-osMatch12.1\(2e\)nexus_9000_series
ORcisconx-osMatch12.1\(3g\)nexus_9000_series
ORcisconx-osMatch12.1\(4a\)nexus_9000_series
ORcisconx-osMatch12.1\(1i\)nexus_9000_series
ORcisconx-osMatch12.1\(2g\)nexus_9000_series
ORcisconx-osMatch12.1\(2k\)nexus_9000_series
ORcisconx-osMatch12.1\(3h\)nexus_9000_series
ORcisconx-osMatch12.1\(3j\)nexus_9000_series
ORcisconx-osMatch12.2\(1n\)nexus_9000_series
ORcisconx-osMatch12.2\(2e\)nexus_9000_series
ORcisconx-osMatch12.2\(3j\)nexus_9000_series
ORcisconx-osMatch12.2\(4f\)nexus_9000_series
ORcisconx-osMatch12.2\(4p\)nexus_9000_series
ORcisconx-osMatch12.2\(3p\)nexus_9000_series
ORcisconx-osMatch12.2\(3r\)nexus_9000_series
ORcisconx-osMatch12.2\(3s\)nexus_9000_series
ORcisconx-osMatch12.2\(3t\)nexus_9000_series
ORcisconx-osMatch12.2\(2f\)nexus_9000_series
ORcisconx-osMatch12.2\(2g\)nexus_9000_series
ORcisconx-osMatch12.2\(2i\)nexus_9000_series
ORcisconx-osMatch12.2\(2j\)nexus_9000_series
ORcisconx-osMatch12.2\(2k\)nexus_9000_series
ORcisconx-osMatch12.2\(2q\)nexus_9000_series
ORcisconx-osMatch12.2\(1o\)nexus_9000_series
ORcisconx-osMatch12.3\(1e\)nexus_9000_series
ORcisconx-osMatch12.3\(1f\)nexus_9000_series
ORcisconx-osMatch12.3\(1i\)nexus_9000_series
ORcisconx-osMatch12.3\(1l\)nexus_9000_series
ORcisconx-osMatch12.3\(1o\)nexus_9000_series
ORcisconx-osMatch12.3\(1p\)nexus_9000_series
ORcisconx-osMatch13.0\(1k\)nexus_9000_series
ORcisconx-osMatch13.0\(2h\)nexus_9000_series
ORcisconx-osMatch13.0\(2k\)nexus_9000_series
ORcisconx-osMatch13.0\(2n\)nexus_9000_series
ORcisconx-osMatch13.1\(1i\)nexus_9000_series
ORcisconx-osMatch13.1\(2m\)nexus_9000_series
ORcisconx-osMatch13.1\(2o\)nexus_9000_series
ORcisconx-osMatch13.1\(2p\)nexus_9000_series
ORcisconx-osMatch13.1\(2q\)nexus_9000_series
ORcisconx-osMatch13.2\(1l\)nexus_9000_series
ORcisconx-osMatch13.2\(1m\)nexus_9000_series
ORcisconx-osMatch11.3\(1g\)nexus_9000_series
ORcisconx-osMatch11.3\(2f\)nexus_9000_series
ORcisconx-osMatch11.3\(1h\)nexus_9000_series
ORcisconx-osMatch11.3\(1i\)nexus_9000_series
ORcisconx-osMatch11.3\(2h\)nexus_9000_series
ORcisconx-osMatch11.3\(2i\)nexus_9000_series
ORcisconx-osMatch11.3\(2k\)nexus_9000_series
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