CVE-2020-10136
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 28.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 28.54% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-290
- Affected
- cisco/nx-os · cisco/ucs manager · digi/saros · hp/x3220nr firmware · treck/tcp\/ip · cisco/unified computing system
- Source
- cret@cert.org
EPSS 28.5% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://datatracker.ietf.org/doc/html/rfc6169
- https://kb.cert.org/vuls/id/636397/Third Party Advisory, US Government Resource
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ipip-dos-kCT9X4Vendor Advisory
- https://www.digi.com/resources/securityThird Party Advisory
- https://www.kb.cert.org/vuls/id/636397Third Party Advisory, US Government Resource
- https://datatracker.ietf.org/doc/html/rfc6169
- https://kb.cert.org/vuls/id/636397/Third Party Advisory, US Government Resource
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ipip-dos-kCT9X4Vendor Advisory
- https://www.digi.com/resources/securityThird Party Advisory
- https://www.kb.cert.org/vuls/id/199397
- https://www.kb.cert.org/vuls/id/636397Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.