6.5
MEDIUM
CVE-2021-21285
Docker Daemon Denial of Service Vulnerability
Description

In Docker before versions 9.03.15, 20.10.3 there is a vulnerability in which pulling an intentionally malformed Docker image manifest crashes the dockerd daemon. Versions 20.10.3 and 19.03.15 contain patches that prevent the daemon from crashing.

INFO

Published Date :

Feb. 2, 2021, 6:15 p.m.

Last Modified :

Nov. 21, 2024, 5:47 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2021-21285 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-21285 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Netapp e-series_santricity_os_controller
1 Docker docker
1 Mobyproject moby
References to Advisories, Solutions, and Tools

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).

⚙ DevSecOps Kubernetes Playground ("A Hacker's Guide to Kubernetes")

Dockerfile Shell Ruby Smarty Jinja HCL

Updated: 2 weeks, 4 days ago
16 stars 2 fork 2 watcher
Born at : July 1, 2022, 7:12 a.m. This repo has been linked 57 different CVEs too.

Underground Nexus Deployment - Dockerhub page - https://hub.docker.com/r/phoenixvlabs/core-nexus

Dockerfile Shell CUE

Updated: 2 years, 2 months ago
1 stars 0 fork 0 watcher
Born at : June 26, 2022, 3:50 a.m. This repo has been linked 10 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-21285 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-21285 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://docs.docker.com/engine/release-notes/#20103
    Added Reference https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30
    Added Reference https://github.com/moby/moby/releases/tag/v19.03.15
    Added Reference https://github.com/moby/moby/releases/tag/v20.10.3
    Added Reference https://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8
    Added Reference https://security.gentoo.org/glsa/202107-23
    Added Reference https://security.netapp.com/advisory/ntap-20210226-0005/
    Added Reference https://www.debian.org/security/2021/dsa-4865
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Oct. 25, 2022

    Action Type Old Value New Value
    Removed CWE NIST CWE-400
    Added CWE NIST CWE-754
  • Modified Analysis by [email protected]

    Apr. 29, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.gentoo.org/glsa/202107-23 No Types Assigned https://security.gentoo.org/glsa/202107-23 Patch, Third Party Advisory
    Added CWE NIST CWE-400
  • CVE Modified by [email protected]

    Jul. 10, 2021

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202107-23 [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 15, 2021

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210226-0005/ No Types Assigned https://security.netapp.com/advisory/ntap-20210226-0005/ Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2021/dsa-4865 No Types Assigned https://www.debian.org/security/2021/dsa-4865 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (including) 11.60.3
  • CVE Modified by [email protected]

    Feb. 28, 2021

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2021/dsa-4865 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 26, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210226-0005/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 10, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Changed Reference Type https://docs.docker.com/engine/release-notes/#20103 No Types Assigned https://docs.docker.com/engine/release-notes/#20103 Release Notes, Vendor Advisory
    Changed Reference Type https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30 No Types Assigned https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30 Patch, Third Party Advisory
    Changed Reference Type https://github.com/moby/moby/releases/tag/v19.03.15 No Types Assigned https://github.com/moby/moby/releases/tag/v19.03.15 Release Notes, Third Party Advisory
    Changed Reference Type https://github.com/moby/moby/releases/tag/v20.10.3 No Types Assigned https://github.com/moby/moby/releases/tag/v20.10.3 Release Notes, Third Party Advisory
    Changed Reference Type https://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8 No Types Assigned https://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:docker:docker:*:*:*:*:*:*:*:* versions up to (excluding) 19.03.15 *cpe:2.3:a:docker:docker:*:*:*:*:*:*:*:* versions from (including) 20.0.0 up to (excluding) 20.10.3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-21285 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-2021-21285 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.79 }} 0.26%

score

0.81378

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability