A vulnerability in the hardware crypto driver of Cisco IOS XE Software for Cisco 4300 Series Integrated Services Routers and Cisco Catalyst 9800-L Wireless Controllers could allow an unauthenticated, remote attacker to disconnect legitimate IPsec VPN sessions to an affected device. The vulnerability is due to insufficient verification of authenticity of received Encapsulating Security Payload (ESP) packets. An attacker could exploit this vulnerability by tampering with ESP cleartext values as a man-in-the-middle.
Attack Vector Network
Attack Complexity High
Privileges Required None
Scope Changed
Confidentiality Impact None
Integrity Impact None
Availability Impact High
User Interaction None
Attack Vector Network
Attack Complexity High
Privileges Required None
Scope Changed
Confidentiality Impact None
Integrity Impact None
Availability Impact High
User Interaction None
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
AV:N/AC:M/Au:N/C:N/I:N/A:C
Vendors | Products |
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Cisco |
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Configuration 1 [-]
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References
Link | Resource |
---|---|
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-vpn-dos-edOmW28Z | Patch Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: cisco
Published: 2020-06-03T00:00:00
Updated: 2020-06-03T17:41:40
Reserved: 2019-12-12T00:00:00
Link: CVE-2020-3220
JSON object: View
NVD Information
Status : Analyzed
Published: 2020-06-03T18:15:19.997
Modified: 2020-06-10T23:45:32.260
Link: CVE-2020-3220
JSON object: View
Redhat Information
No data.
CWE