7.5
HIGH
CVE-2021-42021
Siveillance Video DLNA Server Path Traversal
Description

A vulnerability has been identified in Siveillance Video DLNA Server (2019 R1), Siveillance Video DLNA Server (2019 R2), Siveillance Video DLNA Server (2019 R3), Siveillance Video DLNA Server (2020 R1), Siveillance Video DLNA Server (2020 R2), Siveillance Video DLNA Server (2020 R3), Siveillance Video DLNA Server (2021 R1). The affected application contains a path traversal vulnerability that could allow to read arbitrary files on the server that are outside the application’s web document directory. An unauthenticated remote attacker could exploit this issue to access sensitive information for subsequent attacks.

INFO

Published Date :

Nov. 9, 2021, 12:15 p.m.

Last Modified :

July 25, 2022, 10:56 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-42021 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 Siemens siveillance_video_management_software_2019_r1
2 Siemens siveillance_video_management_software_2019_r2
3 Siemens siveillance_video_management_software_2019_r3
4 Siemens siveillance_video_management_software_2020_r1
5 Siemens siveillance_video_management_software_2020_r2
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-2021-42021.

URL Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-755517.pdf Patch Third Party 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-2021-42021 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-42021 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]

    Jul. 25, 2022

    Action Type Old Value New Value
    Added CWE NIST CWE-22
  • Initial Analysis by [email protected]

    Nov. 15, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-755517.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-755517.pdf Patch, Third Party Advisory
    Added CPE Configuration AND OR *cpe:2.3:a:siemens:siveillance_video_management_software_2019_r1:*:*:*:*:*:*:*:* *cpe:2.3:a:siemens:siveillance_video_management_software_2019_r2:*:*:*:*:*:*:*:* *cpe:2.3:a:siemens:siveillance_video_management_software_2019_r3:*:*:*:*:*:*:*:* *cpe:2.3:a:siemens:siveillance_video_management_software_2020_r1:-:*:*:*:*:*:*:* *cpe:2.3:a:siemens:siveillance_video_management_software_2020_r2:-:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:siveillance_video_dlna_server:-:*:*:*:*:*:*:*
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-2021-42021 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.

0.36 }} 0.03%

score

0.72502

percentile

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