Medium severity · published Jun 2, 2020
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…
5.3
CVSS
28.5%
EPSS
No
On KEV
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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)28.5% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NX
Nx-os · Cisco
5.2(1)sk3(1.1); 5.2(1)sk3(2.1); 5.2(1)sk3(2.1a); 5.2(1)sk3(2.2); 5.2(1)sk3(2.2b); 5.2(1)sm1(5.1); +34 more · source: NVD
SA
Saros · Digi
before 8.1.0.1 · source: NVD
TC
Tcp/ip · Treck
before 6.0.1.67 · source: NVD
UM
Ucs Manager · Cisco
3.2(3n)a · source: NVD
UC
Unified Computing System · Cisco
All versions, or not specified · source: NVD
XF
X3220nr Firmware · HP
before 3.00.11.08 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10136
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10136
datatracker.ietf.org
https://datatracker.ietf.org/doc/html/rfc6169
Third Party Advisory
https://kb.cert.org/vuls/id/636397/
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ipip-dos-kCT9X4
Third Party Advisory
https://www.digi.com/resources/security
Third Party Advisory
https://www.kb.cert.org/vuls/id/636397
www.kb.cert.org
https://www.kb.cert.org/vuls/id/199397
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