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CVE-2020-10136

Published: Jun 2, 2020

Modified: Nov 3, 2025

PUBLISHED

Description

IP-in-IP protocol specifies IP Encapsulation within IP standard (RFC 2003, STD 1) that decapsulate and route IP-in-IP traffic is vulnerable to spoofing, access-control bypass and other unexpected behavior due to the lack of validation to verify network packets before decapsulation and routing.

Vendor	Product	Versions
IETF	RFC2003 - IP Encapsulation within IP	affected `STD 1`

Weaknesses (CWE)

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ipip-dos-kCT9X4

https://www.digi.com/resources/security

Security Concerns with IP Tunneling

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