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ciscoCiscoCISCO-SA-ARP-MTFHBFJE
HistoryMar 24, 2021 - 4:00 p.m.

Cisco IOS and IOS XE Software ARP Resource Management Exhaustion Denial of Service Vulnerability

2021-03-2416:00:00
tools.cisco.com
84
cisco
arp
management
dos
vulnerability
software
update
remote attacker
mismanaged.

EPSS

0.002

Percentile

51.5%

A vulnerability in Address Resolution Protocol (ARP) management of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent an affected device from resolving ARP entries for legitimate hosts on the connected subnets.

This vulnerability exists because ARP entries are mismanaged. An attacker could exploit this vulnerability by continuously sending traffic that results in incomplete ARP entries. A successful exploit could allow the attacker to cause ARP requests on the device to be unsuccessful for legitimate hosts, resulting in a denial of service (DoS) condition.

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-arp-mtfhBfjE [“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-arp-mtfhBfjE”]

Affected configurations

Vulners
Node
ciscoiosMatch15.2e
OR
ciscoiosMatch15.2ex
OR
ciscoiosMatch15.2jbx
OR
ciscoiosMatch15.5s
OR
ciscoiosMatch15.2eb
OR
ciscoiosMatch15.2ea
OR
ciscoiosMatch15.5m
OR
ciscoiosMatch15.6m
OR
ciscoiosMatch15.3jpc
OR
ciscoiosMatch15.4sy
OR
ciscoiosMatch15.5sy
OR
ciscoiosMatch15.7m
OR
ciscoiosMatch15.8m
OR
ciscoiosMatch12.2i
OR
ciscoiosMatch15.9m
OR
ciscoiosMatch15.1svr
OR
ciscoiosMatch15.1svs
OR
ciscoiosMatchany
OR
ciscocisco_ios_xe_softwareMatch3.6e
OR
ciscocisco_ios_xe_softwareMatch3.7e
OR
ciscocisco_ios_xe_softwareMatch3.16s
OR
ciscocisco_ios_xe_softwareMatch3.8e
OR
ciscocisco_ios_xe_softwareMatch16.3
OR
ciscocisco_ios_xe_softwareMatch16.4
OR
ciscocisco_ios_xe_softwareMatch16.5
OR
ciscocisco_ios_xe_softwareMatch3.9e
OR
ciscocisco_ios_xe_softwareMatch16.6
OR
ciscocisco_ios_xe_softwareMatch16.7
OR
ciscocisco_ios_xe_softwareMatch16.8
OR
ciscocisco_ios_xe_softwareMatch16.9
OR
ciscocisco_ios_xe_softwareMatch16.10
OR
ciscocisco_ios_xe_softwareMatch3.10e
OR
ciscocisco_ios_xe_softwareMatch16.11
OR
ciscocisco_ios_xe_softwareMatch16.12
OR
ciscocisco_ios_xe_softwareMatch3.11e
OR
ciscocisco_ios_xe_softwareMatch17.1
OR
ciscocisco_ios_xe_softwareMatch17.2
OR
ciscocisco_ios_xe_softwareMatch17.3
OR
ciscocisco_ios_xe_softwareMatchany
OR
ciscoiosMatch15.2\(2\)e6
OR
ciscoiosMatch15.2\(5\)e1
OR
ciscoiosMatch15.2\(3\)e5
OR
ciscoiosMatch15.2\(5a\)e1
OR
ciscoiosMatch15.2\(4\)e4
OR
ciscoiosMatch15.2\(2\)e7
OR
ciscoiosMatch15.2\(5\)e2
OR
ciscoiosMatch15.2\(6\)e
OR
ciscoiosMatch15.2\(5\)e2b
OR
ciscoiosMatch15.2\(4\)e5
OR
ciscoiosMatch15.2\(5\)e2c
OR
ciscoiosMatch15.2\(2\)e8
OR
ciscoiosMatch15.2\(6\)e0a
OR
ciscoiosMatch15.2\(6\)e1
OR
ciscoiosMatch15.2\(2\)e7b
OR
ciscoiosMatch15.2\(4\)e5a
OR
ciscoiosMatch15.2\(6\)e0c
OR
ciscoiosMatch15.2\(4\)e6
OR
ciscoiosMatch15.2\(6\)e2
OR
ciscoiosMatch15.2\(2\)e9
OR
ciscoiosMatch15.2\(6\)e1a
OR
ciscoiosMatch15.2\(4\)e7
OR
ciscoiosMatch15.2\(6\)e1s
OR
ciscoiosMatch15.2\(7\)e
OR
ciscoiosMatch15.2\(2\)e10
OR
ciscoiosMatch15.2\(4\)e8
OR
ciscoiosMatch15.2\(2\)e9a
OR
ciscoiosMatch15.2\(6\)e2a
OR
ciscoiosMatch15.2\(6\)e2b
OR
ciscoiosMatch15.2\(7\)e1
OR
ciscoiosMatch15.2\(7\)e0a
OR
ciscoiosMatch15.2\(7\)e0b
OR
ciscoiosMatch15.2\(7\)e0s
OR
ciscoiosMatch15.2\(6\)e3
OR
ciscoiosMatch15.2\(4\)e9
OR
ciscoiosMatch15.2\(7\)e2
OR
ciscoiosMatch15.2\(7a\)e0b
OR
ciscoiosMatch15.2\(4\)e10
OR
ciscoiosMatch15.2\(7\)e3
OR
ciscoiosMatch15.2\(7\)e1a
OR
ciscoiosMatch15.2\(7b\)e0b
OR
ciscoiosMatch15.2\(7\)e2a
OR
ciscoiosMatch15.2\(4\)e10a
OR
ciscoiosMatch15.2\(7\)e2b
OR
ciscoiosMatch15.2\(5\)ex
OR
ciscoiosMatch15.2\(4\)jbx
OR
ciscoiosMatch15.5\(3\)s4
OR
ciscoiosMatch15.5\(3\)s5
OR
ciscoiosMatch15.5\(3\)s6
OR
ciscoiosMatch15.5\(3\)s6a
OR
ciscoiosMatch15.5\(3\)s7
OR
ciscoiosMatch15.5\(3\)s6b
OR
ciscoiosMatch15.5\(3\)s8
OR
ciscoiosMatch15.5\(3\)s9
OR
ciscoiosMatch15.5\(3\)s10
OR
ciscoiosMatch15.5\(3\)s9a
OR
ciscoiosMatch15.5\(3\)s10a
OR
ciscoiosMatch15.2\(6\)eb
OR
ciscoiosMatch15.2\(4\)ea6
OR
ciscoiosMatch15.2\(4\)ea7
OR
ciscoiosMatch15.2\(4\)ea8
OR
ciscoiosMatch15.2\(4\)ea9
OR
ciscoiosMatch15.2\(4\)ea9a
OR
ciscoiosMatch15.2\(4\)ea10
OR
ciscoiosMatch15.5\(3\)m4
OR
ciscoiosMatch15.5\(3\)m4a
OR
ciscoiosMatch15.5\(3\)m5
OR
ciscoiosMatch15.5\(3\)m4b
OR
ciscoiosMatch15.5\(3\)m4c
OR
ciscoiosMatch15.5\(3\)m6
OR
ciscoiosMatch15.5\(3\)m7
OR
ciscoiosMatch15.5\(3\)m6a
OR
ciscoiosMatch15.5\(3\)m8
OR
ciscoiosMatch15.5\(3\)m9
OR
ciscoiosMatch15.5\(3\)m10
OR
ciscoiosMatch15.5\(3\)m11
OR
ciscoiosMatch15.6\(3\)m2
OR
ciscoiosMatch15.6\(3\)m2a
OR
ciscoiosMatch15.6\(3\)m3
OR
ciscoiosMatch15.6\(3\)m3a
OR
ciscoiosMatch15.6\(3\)m4
OR
ciscoiosMatch15.6\(3\)m5
OR
ciscoiosMatch15.6\(3\)m6
OR
ciscoiosMatch15.6\(3\)m7
OR
ciscoiosMatch15.6\(3\)m6a
OR
ciscoiosMatch15.6\(3\)m6b
OR
ciscoiosMatch15.6\(3\)m8
OR
ciscoiosMatch15.6\(3\)m9
OR
ciscoiosMatch15.3\(3\)jpc97
OR
ciscoiosMatch15.4\(1\)sy
OR
ciscoiosMatch15.4\(1\)sy1
OR
ciscoiosMatch15.4\(1\)sy2
OR
ciscoiosMatch15.4\(1\)sy3
OR
ciscoiosMatch15.4\(1\)sy4
OR
ciscoiosMatch15.5\(1\)sy
OR
ciscoiosMatch15.5\(1\)sy1
OR
ciscoiosMatch15.5\(1\)sy2
OR
ciscoiosMatch15.5\(1\)sy3
OR
ciscoiosMatch15.5\(1\)sy4
OR
ciscoiosMatch15.5\(1\)sy5
OR
ciscoiosMatch15.5\(1\)sy6
OR
ciscoiosMatch15.7\(3\)m
OR
ciscoiosMatch15.7\(3\)m1
OR
ciscoiosMatch15.7\(3\)m0a
OR
ciscoiosMatch15.7\(3\)m3
OR
ciscoiosMatch15.7\(3\)m2
OR
ciscoiosMatch15.7\(3\)m4
OR
ciscoiosMatch15.7\(3\)m5
OR
ciscoiosMatch15.7\(3\)m4a
OR
ciscoiosMatch15.7\(3\)m4b
OR
ciscoiosMatch15.7\(3\)m6
OR
ciscoiosMatch15.7\(3\)m7
OR
ciscoiosMatch15.8\(3\)m
OR
ciscoiosMatch15.8\(3\)m1
OR
ciscoiosMatch15.8\(3\)m0a
OR
ciscoiosMatch15.8\(3\)m0b
OR
ciscoiosMatch15.8\(3\)m2
OR
ciscoiosMatch15.8\(3\)m1a
OR
ciscoiosMatch15.8\(3\)m3
OR
ciscoiosMatch15.8\(3\)m2a
OR
ciscoiosMatch15.8\(3\)m4
OR
ciscoiosMatch15.8\(3\)m3a
OR
ciscoiosMatch15.8\(3\)m3b
OR
ciscoiosMatch15.8\(3\)m5
OR
ciscoiosMatch12.2\(6\)i1
OR
ciscoiosMatch15.9\(3\)m
OR
ciscoiosMatch15.9\(3\)m1
OR
ciscoiosMatch15.9\(3\)m0a
OR
ciscoiosMatch15.9\(3\)m2
OR
ciscoiosMatch15.9\(3\)m2a
OR
ciscoiosMatch15.1\(3\)svr1
OR
ciscoiosMatch15.1\(3\)svr2
OR
ciscoiosMatch15.1\(3\)svr3
OR
ciscoiosMatch15.1\(3\)svs
OR
ciscoiosMatch15.1\(3\)svs1
OR
ciscoiosMatchany
OR
ciscocisco_ios_xe_softwareMatch3.6.6e
OR
ciscocisco_ios_xe_softwareMatch3.6.7e
OR
ciscocisco_ios_xe_softwareMatch3.6.8e
OR
ciscocisco_ios_xe_softwareMatch3.6.7ae
OR
ciscocisco_ios_xe_softwareMatch3.6.7be
OR
ciscocisco_ios_xe_softwareMatch3.6.9e
OR
ciscocisco_ios_xe_softwareMatch3.6.10e
OR
ciscocisco_ios_xe_softwareMatch3.6.9ae
OR
ciscocisco_ios_xe_softwareMatch3.7.5e
OR
ciscocisco_ios_xe_softwareMatch3.16.4s
OR
ciscocisco_ios_xe_softwareMatch3.16.4as
OR
ciscocisco_ios_xe_softwareMatch3.16.4bs
OR
ciscocisco_ios_xe_softwareMatch3.16.4gs
OR
ciscocisco_ios_xe_softwareMatch3.16.5s
OR
ciscocisco_ios_xe_softwareMatch3.16.4cs
OR
ciscocisco_ios_xe_softwareMatch3.16.4ds
OR
ciscocisco_ios_xe_softwareMatch3.16.4es
OR
ciscocisco_ios_xe_softwareMatch3.16.6s
OR
ciscocisco_ios_xe_softwareMatch3.16.5as
OR
ciscocisco_ios_xe_softwareMatch3.16.5bs
OR
ciscocisco_ios_xe_softwareMatch3.16.7s
OR
ciscocisco_ios_xe_softwareMatch3.16.6bs
OR
ciscocisco_ios_xe_softwareMatch3.16.7as
OR
ciscocisco_ios_xe_softwareMatch3.16.7bs
OR
ciscocisco_ios_xe_softwareMatch3.16.8s
OR
ciscocisco_ios_xe_softwareMatch3.16.9s
OR
ciscocisco_ios_xe_softwareMatch3.16.10s
OR
ciscocisco_ios_xe_softwareMatch3.16.10as
OR
ciscocisco_ios_xe_softwareMatch3.8.4e
OR
ciscocisco_ios_xe_softwareMatch3.8.5e
OR
ciscocisco_ios_xe_softwareMatch3.8.5ae
OR
ciscocisco_ios_xe_softwareMatch3.8.6e
OR
ciscocisco_ios_xe_softwareMatch3.8.7e
OR
ciscocisco_ios_xe_softwareMatch3.8.8e
OR
ciscocisco_ios_xe_softwareMatch3.8.9e
OR
ciscocisco_ios_xe_softwareMatch3.8.10e
OR
ciscocisco_ios_xe_softwareMatch16.3.2
OR
ciscocisco_ios_xe_softwareMatch16.3.3
OR
ciscocisco_ios_xe_softwareMatch16.3.4
OR
ciscocisco_ios_xe_softwareMatch16.3.5
OR
ciscocisco_ios_xe_softwareMatch16.3.5b
OR
ciscocisco_ios_xe_softwareMatch16.3.6
OR
ciscocisco_ios_xe_softwareMatch16.3.7
OR
ciscocisco_ios_xe_softwareMatch16.3.8
OR
ciscocisco_ios_xe_softwareMatch16.3.9
OR
ciscocisco_ios_xe_softwareMatch16.3.10
OR
ciscocisco_ios_xe_softwareMatch16.3.11
OR
ciscocisco_ios_xe_softwareMatch16.4.1
OR
ciscocisco_ios_xe_softwareMatch16.4.2
OR
ciscocisco_ios_xe_softwareMatch16.4.3
OR
ciscocisco_ios_xe_softwareMatch16.5.1
OR
ciscocisco_ios_xe_softwareMatch16.5.1a
OR
ciscocisco_ios_xe_softwareMatch16.5.1b
OR
ciscocisco_ios_xe_softwareMatch16.5.2
OR
ciscocisco_ios_xe_softwareMatch16.5.3
OR
ciscocisco_ios_xe_softwareMatch3.9.1e
OR
ciscocisco_ios_xe_softwareMatch3.9.2e
OR
ciscocisco_ios_xe_softwareMatch3.9.2be
OR
ciscocisco_ios_xe_softwareMatch16.6.1
OR
ciscocisco_ios_xe_softwareMatch16.6.2
OR
ciscocisco_ios_xe_softwareMatch16.6.3
OR
ciscocisco_ios_xe_softwareMatch16.6.4
OR
ciscocisco_ios_xe_softwareMatch16.6.5
OR
ciscocisco_ios_xe_softwareMatch16.6.4s
OR
ciscocisco_ios_xe_softwareMatch16.6.4a
OR
ciscocisco_ios_xe_softwareMatch16.6.5a
OR
ciscocisco_ios_xe_softwareMatch16.6.6
OR
ciscocisco_ios_xe_softwareMatch16.6.5b
OR
ciscocisco_ios_xe_softwareMatch16.6.7
OR
ciscocisco_ios_xe_softwareMatch16.6.7a
OR
ciscocisco_ios_xe_softwareMatch16.6.8
OR
ciscocisco_ios_xe_softwareMatch16.7.1
OR
ciscocisco_ios_xe_softwareMatch16.7.1a
OR
ciscocisco_ios_xe_softwareMatch16.7.1b
OR
ciscocisco_ios_xe_softwareMatch16.7.2
OR
ciscocisco_ios_xe_softwareMatch16.7.3
OR
ciscocisco_ios_xe_softwareMatch16.7.4
OR
ciscocisco_ios_xe_softwareMatch16.8.1
OR
ciscocisco_ios_xe_softwareMatch16.8.1a
OR
ciscocisco_ios_xe_softwareMatch16.8.1b
OR
ciscocisco_ios_xe_softwareMatch16.8.1s
OR
ciscocisco_ios_xe_softwareMatch16.8.1c
OR
ciscocisco_ios_xe_softwareMatch16.8.1d
OR
ciscocisco_ios_xe_softwareMatch16.8.2
OR
ciscocisco_ios_xe_softwareMatch16.8.1e
OR
ciscocisco_ios_xe_softwareMatch16.8.3
OR
ciscocisco_ios_xe_softwareMatch16.9.1
OR
ciscocisco_ios_xe_softwareMatch16.9.2
OR
ciscocisco_ios_xe_softwareMatch16.9.1a
OR
ciscocisco_ios_xe_softwareMatch16.9.1b
OR
ciscocisco_ios_xe_softwareMatch16.9.1s
OR
ciscocisco_ios_xe_softwareMatch16.9.1c
OR
ciscocisco_ios_xe_softwareMatch16.9.1d
OR
ciscocisco_ios_xe_softwareMatch16.9.3
OR
ciscocisco_ios_xe_softwareMatch16.9.2a
OR
ciscocisco_ios_xe_softwareMatch16.9.2s
OR
ciscocisco_ios_xe_softwareMatch16.9.3h
OR
ciscocisco_ios_xe_softwareMatch16.9.4
OR
ciscocisco_ios_xe_softwareMatch16.9.3s
OR
ciscocisco_ios_xe_softwareMatch16.9.3a
OR
ciscocisco_ios_xe_softwareMatch16.9.4c
OR
ciscocisco_ios_xe_softwareMatch16.9.5
OR
ciscocisco_ios_xe_softwareMatch16.9.5f
OR
ciscocisco_ios_xe_softwareMatch16.9.6
OR
ciscocisco_ios_xe_softwareMatch16.10.1
OR
ciscocisco_ios_xe_softwareMatch16.10.1a
OR
ciscocisco_ios_xe_softwareMatch16.10.1b
OR
ciscocisco_ios_xe_softwareMatch16.10.1s
OR
ciscocisco_ios_xe_softwareMatch16.10.1c
OR
ciscocisco_ios_xe_softwareMatch16.10.1e
OR
ciscocisco_ios_xe_softwareMatch16.10.1d
OR
ciscocisco_ios_xe_softwareMatch16.10.2
OR
ciscocisco_ios_xe_softwareMatch16.10.1f
OR
ciscocisco_ios_xe_softwareMatch16.10.1g
OR
ciscocisco_ios_xe_softwareMatch16.10.3
OR
ciscocisco_ios_xe_softwareMatch3.10.0e
OR
ciscocisco_ios_xe_softwareMatch3.10.1e
OR
ciscocisco_ios_xe_softwareMatch3.10.0ce
OR
ciscocisco_ios_xe_softwareMatch3.10.2e
OR
ciscocisco_ios_xe_softwareMatch3.10.1ae
OR
ciscocisco_ios_xe_softwareMatch3.10.1se
OR
ciscocisco_ios_xe_softwareMatch3.10.3e
OR
ciscocisco_ios_xe_softwareMatch16.11.1
OR
ciscocisco_ios_xe_softwareMatch16.11.1a
OR
ciscocisco_ios_xe_softwareMatch16.11.1b
OR
ciscocisco_ios_xe_softwareMatch16.11.2
OR
ciscocisco_ios_xe_softwareMatch16.11.1s
OR
ciscocisco_ios_xe_softwareMatch16.11.1c
OR
ciscocisco_ios_xe_softwareMatch16.12.1
OR
ciscocisco_ios_xe_softwareMatch16.12.1s
OR
ciscocisco_ios_xe_softwareMatch16.12.1a
OR
ciscocisco_ios_xe_softwareMatch16.12.1c
OR
ciscocisco_ios_xe_softwareMatch16.12.1w
OR
ciscocisco_ios_xe_softwareMatch16.12.2
OR
ciscocisco_ios_xe_softwareMatch16.12.1y
OR
ciscocisco_ios_xe_softwareMatch16.12.2a
OR
ciscocisco_ios_xe_softwareMatch16.12.3
OR
ciscocisco_ios_xe_softwareMatch16.12.2s
OR
ciscocisco_ios_xe_softwareMatch16.12.1x
OR
ciscocisco_ios_xe_softwareMatch16.12.1t
OR
ciscocisco_ios_xe_softwareMatch16.12.2t
OR
ciscocisco_ios_xe_softwareMatch16.12.4
OR
ciscocisco_ios_xe_softwareMatch16.12.3s
OR
ciscocisco_ios_xe_softwareMatch16.12.1z
OR
ciscocisco_ios_xe_softwareMatch16.12.3a
OR
ciscocisco_ios_xe_softwareMatch16.12.4a
OR
ciscocisco_ios_xe_softwareMatch3.11.0e
OR
ciscocisco_ios_xe_softwareMatch3.11.1e
OR
ciscocisco_ios_xe_softwareMatch3.11.2e
OR
ciscocisco_ios_xe_softwareMatch3.11.3e
OR
ciscocisco_ios_xe_softwareMatch3.11.1ae
OR
ciscocisco_ios_xe_softwareMatch3.11.2ae
OR
ciscocisco_ios_xe_softwareMatch3.11.3ae
OR
ciscocisco_ios_xe_softwareMatch17.1.1
OR
ciscocisco_ios_xe_softwareMatch17.1.1a
OR
ciscocisco_ios_xe_softwareMatch17.1.1s
OR
ciscocisco_ios_xe_softwareMatch17.1.2
OR
ciscocisco_ios_xe_softwareMatch17.1.1t
OR
ciscocisco_ios_xe_softwareMatch17.2.1
OR
ciscocisco_ios_xe_softwareMatch17.2.1r
OR
ciscocisco_ios_xe_softwareMatch17.2.1a
OR
ciscocisco_ios_xe_softwareMatch17.2.1v
OR
ciscocisco_ios_xe_softwareMatch17.2.2
OR
ciscocisco_ios_xe_softwareMatch17.3.1
OR
ciscocisco_ios_xe_softwareMatch17.3.2
OR
ciscocisco_ios_xe_softwareMatch17.3.1a
OR
ciscocisco_ios_xe_softwareMatch17.3.1w
OR
ciscocisco_ios_xe_softwareMatch17.3.2a
OR
ciscocisco_ios_xe_softwareMatchany
VendorProductVersionCPE
ciscoios15.2ecpe:2.3:o:cisco:ios:15.2e:*:*:*:*:*:*:*
ciscoios15.2excpe:2.3:o:cisco:ios:15.2ex:*:*:*:*:*:*:*
ciscoios15.2jbxcpe:2.3:o:cisco:ios:15.2jbx:*:*:*:*:*:*:*
ciscoios15.5scpe:2.3:o:cisco:ios:15.5s:*:*:*:*:*:*:*
ciscoios15.2ebcpe:2.3:o:cisco:ios:15.2eb:*:*:*:*:*:*:*
ciscoios15.2eacpe:2.3:o:cisco:ios:15.2ea:*:*:*:*:*:*:*
ciscoios15.5mcpe:2.3:o:cisco:ios:15.5m:*:*:*:*:*:*:*
ciscoios15.6mcpe:2.3:o:cisco:ios:15.6m:*:*:*:*:*:*:*
ciscoios15.3jpccpe:2.3:o:cisco:ios:15.3jpc:*:*:*:*:*:*:*
ciscoios15.4sycpe:2.3:o:cisco:ios:15.4sy:*:*:*:*:*:*:*
Rows per page:
1-10 of 3421

EPSS

0.002

Percentile

51.5%

Related for CISCO-SA-ARP-MTFHBFJE