CVE-2020-10136

IP-in-IP protocol allows a remote, unauthenticated attacker to route arbitrary network traffic

Published: Jun 2, 2020Updated: Nov 3, 2025 Sources: CVE List NVD BDUCWE-290

5.3MEDIUM

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:LAvailability

Low

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Weaknesses

CWE-290

Affected Products

Cisco Systems Inc.

commercial·USaka cisco, cisco systems

NX-OS

Networking Infrastructure

ucs manager

Networking Infrastructure

unified computing system

Networking Infrastructure

IETF

oss-project

RFC2003 - IP Encapsulation within IPOn-prem

Networking Infrastructure / dns-dhcp-ntp

digi

commercial·USaka transport wr11 xt firmware, transport wr44 firmware, transport wr21 firmware

sarosEmbedded

ICS / OT / IoT / smart-home

commercial·USaka hpe, hewlett packard

x3220nr firmwareEmbeddedFirmware

Hardware Firmware / printer-peripheral

treck

commercialaka ipv6, tcp/ip

tcp\/ipMixed

OSS Libraries / generic-library

and 1 more affected products View all →

Exploitability

Official Patch Available

Workaround Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

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

tools.cisco.com

https://t.me/teamdarkarmy/2836

t.me

https://kb.cert.org/vuls/id/636397/

kb.cert.org

and 4 more references View all →

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