CVE-2020-8555

Aliases:GHSA-x6mj-w4jf-jmgwGO-2022-0890
Advisory lineage Upstream: 0 Downstream: 7
Modified
Published: 04 Jun 2020, 21:50
Last modified:16 Sept 2024, 18:39

Vulnerability Summary

Overall Risk (default)
medium
27/100
CVSS Score
6.3 MEDIUM
v3.1 (cve.org)
EPSS Score
8.63% LOW
9% probability +0.02%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

04 Jun 2020, 21:50
Published
Vulnerability first disclosed
16 Sept 2024, 18:39
Last Modified
Vulnerability information updated

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).

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.3CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • v2.0•LOW•Score: 3.5AV:N/AC:M/Au:S/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 8.63%• Percentile: 93%

Techniques & Countermeasures

  • CWE-918•Server-Side Request Forgery (SSRF)

    The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Affected Systems

  • fedoraproject•fedora

    32

  • k8s.io•kubernetes

    ≥ 1.17.0, < 1.17.4 | ≥ 1.16.0, < 1.16.9 | < 1.15.12 | ≥ 1.18.0, < 1.18.1

  • kubernetes•kubernetes

    < 1.15.11 | ≥ 1.16.0, < 1.16.9 | ≥ 1.17.0, < 1.17.5 | 1.18.0 | 1.1 | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 | 1.9 | 1.10 | 1.11 | 1.12 | 1.13 | 1.14 | ≥ 1.15, < 1.15.12 | ≥ 1.16, < 1.16.9 | ≥ 1.17, < 1.17.5

References (11)