9.8
CRITICAL
CVE-2021-42109
VITEC Exterity Pathway Privilege Escalation Vulnerability
Description

VITEC Exterity IPTV products through 2021-04-30 allow privilege escalation to root.

INFO

Published Date :

Oct. 8, 2021, 6:15 p.m.

Last Modified :

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

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-42109 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 Vitec exterity_avediaserver
2 Vitec exterity_avediastream_encoders_firmware
3 Vitec avediastream_m9605_firmware
4 Vitec avediastream_m9400_firmware
5 Vitec avediastream_m9405_firmware
6 Vitec avediastream_m9305_firmware
7 Vitec avediastream_r9300_firmware
8 Vitec avediastream_r9310_firmware
9 Vitec avediastream_m9325_firmware
10 Vitec avediastream_r9350_firmware
11 Vitec exterity_avediastream_encoders
12 Vitec avediastream_m9605
13 Vitec avediastream_m9400
14 Vitec avediastream_m9405
15 Vitec avediastream_m9305
16 Vitec avediastream_r9300
17 Vitec avediastream_r9310
18 Vitec avediastream_m9325
19 Vitec avediastream_r9350
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-2021-42109.

URL Resource
https://whitehoodhacker.net/posts/2021-10-04-the-big-rick Exploit Third Party Advisory
https://www.exterity.com Vendor Advisory
https://whitehoodhacker.net/posts/2021-10-04-the-big-rick Exploit Third Party Advisory
https://www.exterity.com 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-2021-42109 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-42109 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://whitehoodhacker.net/posts/2021-10-04-the-big-rick
    Added Reference https://www.exterity.com
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jul. 12, 2022

    Action Type Old Value New Value
    Changed CWE CWE-269 CWE-1188
  • Initial Analysis by [email protected]

    Oct. 19, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    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://whitehoodhacker.net/posts/2021-10-04-the-big-rick No Types Assigned https://whitehoodhacker.net/posts/2021-10-04-the-big-rick Exploit, Third Party Advisory
    Changed Reference Type https://www.exterity.com No Types Assigned https://www.exterity.com Vendor Advisory
    Added CWE NIST CWE-269
    Added CPE Configuration OR *cpe:2.3:a:vitec:exterity_avediaserver:*:*:*:*:*:*:*:* versions up to (including) 2021-04-30
    Added CPE Configuration AND OR *cpe:2.3:o:vitec:exterity_avediastream_encoders_firmware:*:*:*:*:*:*:*:* versions up to (including) 2021-04-30 OR cpe:2.3:h:vitec:exterity_avediastream_encoders:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:vitec:avediastream_m9605_firmware:*:*:*:*:*:*:*:* versions up to (including) 2021-04-30 OR cpe:2.3:h:vitec:avediastream_m9605:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:vitec:avediastream_m9400_firmware:*:*:*:*:*:*:*:* versions up to (including) 2021-04-30 OR cpe:2.3:h:vitec:avediastream_m9400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:vitec:avediastream_m9405_firmware:*:*:*:*:*:*:*:* versions up to (including) 2021-04-30 OR cpe:2.3:h:vitec:avediastream_m9405:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:vitec:avediastream_m9305_firmware:*:*:*:*:*:*:*:* versions up to (including) 2021-04-30 OR cpe:2.3:h:vitec:avediastream_m9305:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:vitec:avediastream_r9300_firmware:*:*:*:*:*:*:*:* versions up to (including) 2021-04-30 OR cpe:2.3:h:vitec:avediastream_r9300:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:vitec:avediastream_r9310_firmware:*:*:*:*:*:*:*:* versions up to (including) 2021-04-30 OR cpe:2.3:h:vitec:avediastream_r9310:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:vitec:avediastream_m9325_firmware:*:*:*:*:*:*:*:* versions up to (including) 2021-04-30 OR cpe:2.3:h:vitec:avediastream_m9325:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:vitec:avediastream_r9350_firmware:*:*:*:*:*:*:*:* versions up to (including) 2021-04-30 OR cpe:2.3:h:vitec:avediastream_r9350:-:*:*:*:*:*:*:*
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-2021-42109 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-2021-42109 weaknesses.

Exploit Prediction

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

0.62 }} 0.31%

score

0.67623

percentile

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