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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
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
26.5%
Top 2.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:L
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
Open in CVSS calculator →

Weaknesses

CWE-290

Affected Products

nx-oscisco
On-premFirmware
Networking Infrastructure / router-switch
ucs managercisco
On-prem
Networking Infrastructure / router-switch
sarosdigi
Embedded
ICS / OT / IoT / industrial-network
x3220nr firmwarehp
On-prem
Enterprise Software / itsm-monitoring
tcp\/iptreck
Mixed
OSS Libraries / generic-library
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
digicommercialUSICS / OT / IoTaka transport wr11 xt firmware, transport wr21 firmware, transport wr44 firmware
hpcommercialUSEnterprise Softwareaka hewlett packard, hpe
treckcommercialOSS Librariesaka tcp/ip, ipv6
and 3 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://datatracker.ietf.org/doc/html/rfc6169
datatracker.ietf.org
https://kb.cert.org/vuls/id/636397/
kb.cert.org
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ipip-dos-kCT9X4
tools.cisco.com
and 4 more references View all →

Timeline

Published
Jun 2, 2020
Last Updated
Nov 3, 2025

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