Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Network
0

CVE-2020-8555

Disclosure Date: June 05, 2020 •
CVE-2020-8555 CVSS v3 Base Score: 6.3
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

The Kubernetes kube-controller-manager in versions v1.0-1.14, versions prior to v1.15.12, v1.16.9, v1.17.5, and version v1.18.0 are vulnerable to a Server Side Request Forgery (SSRF) that allows certain authorized users to leak up to 500 bytes of arbitrary information from unprotected endpoints within the master’s host network (such as link-local or loopback services).

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CVSS V3 Severity and Metrics
Base Score:
6.3 Medium
Impact Score:
4
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
None

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Kubernetes 1.15.12
Kubernetes 1.16.9
Kubernetes 1.17.5
Kubernetes 1.18.0
Kubernetes 1.1
Kubernetes 1.2
Kubernetes 1.3
Kubernetes 1.4
Kubernetes 1.5
Kubernetes 1.6
Kubernetes 1.7
Kubernetes 1.8
Kubernetes 1.9
Kubernetes 1.10
Kubernetes 1.11
Kubernetes 1.12
Kubernetes 1.13
Kubernetes 1.14
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • fedoraproject,
  • kubernetes

Products

  • fedora 32,
  • kubernetes,
  • kubernetes 1.18.0
Technical Analysis