IP-in-IP protocol allows a remote, unauthenticated attacker to route arbitrary network traffic
CVE-2020-10136

5.3MEDIUM

Key Information:

Vendor
Ietf
Status
Rfc2003 - Ip Encapsulation Within Ip
Vendor
CVE Published:
2 June 2020

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 15%

Summary

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.

Affected Version(s)

RFC2003 - IP Encapsulation within IP STD 1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

ipeeyoupeewepee
Created by PapayaJackal

References

https://kb.cert.org/vuls/id/636397/
https://tools.cisco.com/security/center/content/CiscoSecu...
https://www.digi.com/resources/security

EPSS Score

15% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks to Yannay Livneh for reporting this issue.
.