7.8
CVSSv2

CVE-2019-1751

Published: 28/03/2019 Updated: 09/10/2019
CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 694
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Summary

A vulnerability in the Network Address Translation 64 (NAT64) functions of Cisco IOS Software could allow an unauthenticated, remote malicious user to cause either an interface queue wedge or a device reload. The vulnerability is due to the incorrect handling of certain IPv4 packet streams that are sent through the device. An attacker could exploit this vulnerability by sending specific IPv4 packet streams through the device. An exploit could allow the malicious user to either cause an interface queue wedge or a device reload, resulting in a denial of service (DoS) condition.

Vulnerability Trend

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cisco ios 15.5(1)t1

cisco ios 15.6(2)t3

cisco ios 15.6(1)t2

cisco ios 15.5(3)m4a

cisco ios 15.5(1)t3

cisco ios 15.6(2)t1

cisco ios 15.4(3)m2

cisco ios 15.6(3)m1

cisco ios 15.4(2)t1

cisco ios 15.4(1)t2

cisco ios 15.6(3)m3

cisco ios 15.5(2)t

cisco ios 15.4(2)t2

cisco ios 15.5(3)m3

cisco ios 15.7(3)m

cisco ios 15.5(3)m2

cisco ios 15.6(3)m2a

cisco ios 15.5(2)t3

cisco ios 15.4(3)m3

cisco ios 15.4(2)t3

cisco ios 15.5(3)m

cisco ios 15.6(2)t2

cisco ios 15.4(1)t3

cisco ios 15.5(3)m1

cisco ios 15.5(3)m0a

cisco ios 15.5(1)t4

cisco ios 15.4(1)t

cisco ios 15.4(2)t

cisco ios 15.5(2)t2

cisco ios 15.5(3)m6

cisco ios 15.5(1)t

cisco ios 15.4(1)t1

cisco ios 15.6(1)t1

cisco ios 15.6(3)m1b

cisco ios 15.6(3)m

cisco ios 15.4(3)m5

cisco ios 15.4(3)m4

cisco ios 15.6(2)t

cisco ios 15.6(3)m0a

cisco ios 15.5(2)t4

cisco ios 15.6(1)t0a

cisco ios 15.5(1)t2

cisco ios 15.5(2)t1

cisco ios 15.6(3)m2

cisco ios 15.5(3)m4

cisco ios 15.5(3)m5

cisco ios 15.4(3)m1

cisco ios 15.4(1)t4

cisco ios 15.4(3)m6a

cisco ios 15.4(1)cg1

cisco ios 15.4(3)m6

cisco ios 15.4(3)m

cisco ios 15.4(3)m7

cisco ios 15.4(2)t4

cisco ios 15.6(1)t

cisco ios 15.6(1)t3

cisco ios 15.4(3)m7a

cisco ios 15.4(3)m8

cisco ios 15.5(3)m4b

cisco ios 15.5(3)m4c

cisco ios 15.5(3)m5a

cisco ios 15.5(3)m6a

cisco ios 15.6(3)m1a

cisco ios 15.6(3)m3a

cisco ios 15.7(3)m0a

cisco ios 15.7(3)m1

cisco ios 15.7(3)m2

cisco ios 15.6(2)t0a

cisco ios 15.6(3)m4

cisco ios 15.4(3)m10

cisco ios 15.7(3)m3

cisco ios 15.6(3)m5

cisco ios 15.5(2)xb

cisco ios 15.8(3)m0a

cisco ios 15.4(3)m9

cisco ios 15.5(3)m2a

cisco ios 15.8(3)m

cisco ios 15.8(3)m0b

cisco ios 15.5(3)m7

cisco ios 15.5(3)m8

Vendor Advisories

A vulnerability in the Network Address Translation 64 (NAT64) functions of Cisco IOS Software could allow an unauthenticated, remote attacker to cause either an interface queue wedge or a device reload The vulnerability is due to the incorrect handling of certain IPv4 packet streams that are sent through the device An attacker could exploit this ...