CVE-2021-25741
Kubernetes Subpath Volume Mount Access Vulnerability
Description
A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.
INFO
Published Date :
Sept. 20, 2021, 5:15 p.m.
Last Modified :
Nov. 30, 2021, 10:42 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2021-25741 has a 21 public PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-25741
.
URL | Resource |
---|---|
https://github.com/kubernetes/kubernetes/issues/104980 | Mitigation Third Party Advisory |
https://groups.google.com/g/kubernetes-security-announce/c/nyfdhK24H7s | Mailing List Mitigation |
https://security.netapp.com/advisory/ntap-20211008-0006/ | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
All CVE - PoC in GitHub
poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate
整理容器逃逸相关的漏洞和exploits.
Makefile C Python Dockerfile Shell Go
None
None
fork on Betep0k/CVE-2021-25741/fork whose images is useless and test on metarget
Shell
None
None
None
None
None
⚙ DevSecOps Kubernetes Playground ("A Hacker's Guide to Kubernetes")
Dockerfile Shell Ruby Smarty Jinja HCL
None
None
Dockerfile
PoC Demos (no code)
None
Python Dockerfile Go PowerShell Shell HTML
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-25741
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-25741
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Nov. 30, 2021
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20211008-0006/ No Types Assigned https://security.netapp.com/advisory/ntap-20211008-0006/ Third Party Advisory -
CVE Modified by [email protected]
Oct. 08, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20211008-0006/ [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 29, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Changed Reference Type https://github.com/kubernetes/kubernetes/issues/104980 No Types Assigned https://github.com/kubernetes/kubernetes/issues/104980 Mitigation, Third Party Advisory Changed Reference Type https://groups.google.com/g/kubernetes-security-announce/c/nyfdhK24H7s No Types Assigned https://groups.google.com/g/kubernetes-security-announce/c/nyfdhK24H7s Mailing List, Mitigation Added CWE NIST CWE-552 Added CPE Configuration OR *cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* versions up to (including) 1.19.14 *cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* versions from (including) 1.20.0 up to (including) 1.20.10 *cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* versions from (including) 1.21.0 up to (including) 1.21.4 *cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* versions from (including) 1.22.0 up to (including) 1.22.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-25741
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-25741
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} -0.02%
score
0.40335
percentile