Strix
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CVE-2019-1751

UnknownEPSS 2.52%

Last modified

CVE-2019-1751 is a vulnerability of currently unknown severity. 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. EPSS estimates a 2.52% chance of exploitation in the next 30 days.

Description

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 vulnerability by sending specific IPv4 packet streams through the device. An exploit could allow the attacker to either cause an interface queue wedge or a device reload, resulting in a denial of service (DoS) condition.

Metrics

EPSS Probability
2.52%

82.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos15.4\(1\)cg1
CiscoIos15.4\(1\)t
CiscoIos15.4\(1\)t1
CiscoIos15.4\(1\)t2
CiscoIos15.4\(1\)t3
CiscoIos15.4\(1\)t4
CiscoIos15.4\(2\)t
CiscoIos15.4\(2\)t1
CiscoIos15.4\(2\)t2
CiscoIos15.4\(2\)t3
CiscoIos15.4\(2\)t4
CiscoIos15.4\(3\)m
CiscoIos15.4\(3\)m1
CiscoIos15.4\(3\)m2
CiscoIos15.4\(3\)m3
CiscoIos15.4\(3\)m4
CiscoIos15.4\(3\)m5
CiscoIos15.4\(3\)m6
CiscoIos15.4\(3\)m6a
CiscoIos15.4\(3\)m7
CiscoIos15.4\(3\)m7a
CiscoIos15.4\(3\)m8
CiscoIos15.4\(3\)m9
CiscoIos15.4\(3\)m10
CiscoIos15.5\(1\)t
CiscoIos15.5\(1\)t1
CiscoIos15.5\(1\)t2
CiscoIos15.5\(1\)t3
CiscoIos15.5\(1\)t4
CiscoIos15.5\(2\)t
CiscoIos15.5\(2\)t1
CiscoIos15.5\(2\)t2
CiscoIos15.5\(2\)t3
CiscoIos15.5\(2\)t4
CiscoIos15.5\(2\)xb
CiscoIos15.5\(3\)m
CiscoIos15.5\(3\)m0a
CiscoIos15.5\(3\)m1
CiscoIos15.5\(3\)m2
CiscoIos15.5\(3\)m2a
CiscoIos15.5\(3\)m3
CiscoIos15.5\(3\)m4
CiscoIos15.5\(3\)m4a
CiscoIos15.5\(3\)m4b
CiscoIos15.5\(3\)m4c
CiscoIos15.5\(3\)m5
CiscoIos15.5\(3\)m5a
CiscoIos15.5\(3\)m6
CiscoIos15.5\(3\)m6a
CiscoIos15.5\(3\)m7

Showing 50 of 80 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-1751?
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 vulnerability by sending specific IPv4 packet streams through the device. An exploit could allow the attacker to either cause an interface queue wedge or a device reload, resulting in a denial of service (DoS) condition.
How severe is CVE-2019-1751?
Severity scoring for CVE-2019-1751 is pending analysis. The EPSS model estimates a 2.52% probability of exploitation in the next 30 days.
How do I fix CVE-2019-1751?
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.

Are you affected by CVE-2019-1751?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST