8.8
HIGH
CVE-2021-42559
CALDERA Command Injection Vulnerability
Description

An issue was discovered in CALDERA 2.8.1. It contains multiple startup "requirements" that execute commands when starting the server. Because these commands can be changed via the REST API, an authenticated user can insert arbitrary commands that will execute when the server is restarted.

INFO

Published Date :

Jan. 12, 2022, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 6:27 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2021-42559 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-2021-42559 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 Mitre caldera
: Total Affected Vendor : 1 | Products : 1
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-2021-42559.

URL Resource
https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42559-Command%20Injection%20Via%20Configurations-MITRE%20Caldera Exploit Third Party Advisory
https://github.com/mitre/caldera/releases Release Notes
https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42559-Command%20Injection%20Via%20Configurations-MITRE%20Caldera Exploit Third Party Advisory
https://github.com/mitre/caldera/releases Release Notes

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).

Profile Photo
mbadanoiu/CVE-2021-42562

CVE-2021-42562: Improper Access Control in MITRE Caldera

0-day authenticated cve cves cve-2021-42562 insecure-direct-object-reference

Updated: 6 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : June 9, 2024, 11:04 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
mbadanoiu/CVE-2021-42559

CVE-2021-42559: Command Injection via Configurations in MITRE Caldera

0-day authenticated cve cves remote-code-execution cve-2021-42559

Updated: 6 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : June 9, 2024, 9:07 p.m. This repo has been linked 1 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-2021-42559 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-42559 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://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42559-Command%20Injection%20Via%20Configurations-MITRE%20Caldera
    Added Reference https://github.com/mitre/caldera/releases
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 19, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42559-Command%20Injection%20Via%20Configurations-MITRE%20Caldera No Types Assigned https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42559-Command%20Injection%20Via%20Configurations-MITRE%20Caldera Exploit, Third Party Advisory
    Changed Reference Type https://github.com/mitre/caldera/releases No Types Assigned https://github.com/mitre/caldera/releases Release Notes
    Added CWE NIST CWE-77
    Added CPE Configuration OR *cpe:2.3:a:mitre:caldera:*:*:*:*:*:*:*:* versions up to (including) 2.8.1
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-2021-42559 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-2021-42559 weaknesses.

Exploit Prediction

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

0.08 }} 0.02%

score

0.37615

percentile

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