7.8
HIGH
CVE-2021-23019
NGINX Controller systemd.txt File Password Exposure Vulnerability
Description

The NGINX Controller 2.0.0 thru 2.9.0 and 3.x before 3.15.0 Administrator password may be exposed in the systemd.txt file that is included in the NGINX support package.

INFO

Published Date :

June 1, 2021, 1:15 p.m.

Last Modified :

Aug. 30, 2022, 10:42 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-23019 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 F5 nginx_controller
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-2021-23019.

URL Resource
https://support.f5.com/csp/article/K04884013 Vendor 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).

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

The following list is the news that have been mention CVE-2021-23019 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-23019 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
  • Reanalysis by [email protected]

    Aug. 30, 2022

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

    Jun. 11, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://support.f5.com/csp/article/K04884013 No Types Assigned https://support.f5.com/csp/article/K04884013 Vendor Advisory
    Added CWE NIST CWE-522
    Added CPE Configuration OR *cpe:2.3:a:f5:nginx_controller:*:*:*:*:*:*:*:* versions from (including) 2.0.0 up to (including) 2.9.0 *cpe:2.3:a:f5:nginx_controller:*:*:*:*:*:*:*:* versions from (including) 3.0.0 up to (excluding) 3.15.0
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-2021-23019 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-2021-23019 weaknesses.

CAPEC-12: Choosing Message Identifier Choosing Message Identifier CAPEC-217: Exploiting Incorrectly Configured SSL/TLS Exploiting Incorrectly Configured SSL/TLS CAPEC-612: WiFi MAC Address Tracking WiFi MAC Address Tracking CAPEC-613: WiFi SSID Tracking WiFi SSID Tracking CAPEC-618: Cellular Broadcast Message Request Cellular Broadcast Message Request CAPEC-619: Signal Strength Tracking Signal Strength Tracking CAPEC-621: Analysis of Packet Timing and Sizes Analysis of Packet Timing and Sizes CAPEC-622: Electromagnetic Side-Channel Attack Electromagnetic Side-Channel Attack CAPEC-623: Compromising Emanations Attack Compromising Emanations Attack CAPEC-50: Password Recovery Exploitation Password Recovery Exploitation CAPEC-102: Session Sidejacking Session Sidejacking CAPEC-474: Signature Spoofing by Key Theft Signature Spoofing by Key Theft CAPEC-509: Kerberoasting Kerberoasting CAPEC-551: Modify Existing Service Modify Existing Service CAPEC-555: Remote Services with Stolen Credentials Remote Services with Stolen Credentials CAPEC-560: Use of Known Domain Credentials Use of Known Domain Credentials CAPEC-561: Windows Admin Shares with Stolen Credentials Windows Admin Shares with Stolen Credentials CAPEC-600: Credential Stuffing Credential Stuffing CAPEC-644: Use of Captured Hashes (Pass The Hash) Use of Captured Hashes (Pass The Hash) CAPEC-645: Use of Captured Tickets (Pass The Ticket) Use of Captured Tickets (Pass The Ticket) CAPEC-652: Use of Known Kerberos Credentials Use of Known Kerberos Credentials CAPEC-653: Use of Known Operating System Credentials Use of Known Operating System Credentials
Exploit Prediction

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

0.04 }} 0.00%

score

0.10264

percentile

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