SARA / Free Tools / CVE / CVE-2020-10136

CVE-2020-10136 — IP-in-IP protocol specifies IP Encapsulation within IP standard (RFC 2003, STD 1

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 decapsulatio

CVSS
— —
EPSS
15.08% (top 5.50%)
CWE
CWE-290
Published
2020-06-02T08:35:12.921Z
Last modified
2025-11-03T20:33:32.981Z
CVSS vector
—

01What is this vulnerability?

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.

02Affected products

VendorProductVersions
IETFRFC2003IP Encapsulation within IP — STD 1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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