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HIGH · 8.6

CVE-2020-3407

A vulnerability in the RESTCONF and NETCONF-YANG access control list (ACL) function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerab...

Vulnerability Description

A vulnerability in the RESTCONF and NETCONF-YANG access control list (ACL) function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect processing of the ACL that is tied to the RESTCONF or NETCONF-YANG feature. An attacker could exploit this vulnerability by accessing the device using RESTCONF or NETCONF-YANG. A successful exploit could allow an attacker to cause the device to reload, resulting in a denial of service (DoS) condition.

CVSS Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
CiscoIos Xe15.8\(3\)m3
Cisco1100-4G Integrated Services Router-
Cisco1100-4Gltegb Integrated Services Router-
Cisco1100-4Gltena Integrated Services Router-
Cisco1100-4P Integrated Services Router-
Cisco1100-6G Integrated Services Router-
Cisco1100-8P Integrated Services Router-
Cisco1100-Lte Integrated Services Router-
Cisco1100 Integrated Services Router-
Cisco1101-4P Integrated Services Router-
Cisco1101 Integrated Services Router-
Cisco1109-2P Integrated Services Router-
Cisco1109-4P Integrated Services Router-
Cisco1109 Integrated Services Router-
Cisco1111X-8P Integrated Services Router-
Cisco1111X Integrated Services Router-
Cisco111X Integrated Services Router-
Cisco1120 Integrated Services Router-
Cisco1160 Integrated Services Router-
Cisco4221 Integrated Services Router-

Related Weaknesses (CWE)

CWE-476

References

FAQ

What is CVE-2020-3407?

CVE-2020-3407 is a vulnerability with a CVSS score of 8.6 (HIGH). A vulnerability in the RESTCONF and NETCONF-YANG access control list (ACL) function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerab...

How severe is CVE-2020-3407?

CVE-2020-3407 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-3407?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios Xe, Cisco 1100-4G Integrated Services Router, Cisco 1100-4Gltegb Integrated Services Router, Cisco 1100-4Gltena Integrated Services Router, Cisco 1100-4P Integrated Services Router.