9.8
CRITICAL
CVE-2021-38412
Digi PortServer TS 16 Rack Authentication Bypass
Description

Properly formatted POST requests to multiple resources on the HTTP and HTTPS web servers of the Digi PortServer TS 16 Rack device do not require authentication or authentication tokens. This vulnerability could allow an attacker to enable the SNMP service and manipulate the community strings to achieve further control in.

INFO

Published Date :

Sept. 17, 2021, 8:15 p.m.

Last Modified :

Oct. 27, 2022, 12:59 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-38412 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 Digi portserver_ts_16_firmware
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-2021-38412.

URL Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-257-01 Third Party Advisory US Government Resource

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-2021-38412 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-38412 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]

    Oct. 27, 2022

    Action Type Old Value New Value
    Removed CWE NIST CWE-287
    Added CWE NIST CWE-306
  • Initial Analysis by [email protected]

    Oct. 05, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-21-257-01 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-21-257-01 Third Party Advisory, US Government Resource
    Added CWE NIST CWE-287
    Added CPE Configuration AND OR *cpe:2.3:o:digi:portserver_ts_16_firmware:82000684:*:*:*:*:*:*:* *cpe:2.3:o:digi:portserver_ts_16_firmware:82000685:*:*:*:*:*:*:* OR cpe:2.3:h:digi:portserver_ts_16:-:*:*:*:*:*:*:*
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-2021-38412 is associated with the following CWEs:

Exploit Prediction

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

0.21 }} 0.02%

score

0.58909

percentile

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