8.8
HIGH
CVE-2020-13661
Telerik Fiddler Remote Command Execution
Description

Telerik Fiddler through 5.0.20202.18177 allows attackers to execute arbitrary programs via a hostname with a trailing space character, followed by --utility-and-browser --utility-cmd-prefix= and the pathname of a locally installed program. The victim must interactively choose the Open On Browser option. Fixed in version 5.0.20204.

INFO

Published Date :

Nov. 5, 2020, 7:15 p.m.

Last Modified :

Nov. 13, 2020, 8:19 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2020-13661 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 Telerik fiddler
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-2020-13661.

URL Resource
https://www.nagenrauft-consulting.com/blog/ Not Applicable
https://www.telerik.com/support/whats-new/fiddler/release-history/fiddler-v5.0.20204 Release Notes Vendor Advisory
https://www.telerik.com/support/whats-new/release-history Release Notes 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-2020-13661 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-13661 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
  • Initial Analysis by [email protected]

    Nov. 13, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.nagenrauft-consulting.com/blog/ No Types Assigned https://www.nagenrauft-consulting.com/blog/ Not Applicable
    Changed Reference Type https://www.telerik.com/support/whats-new/fiddler/release-history/fiddler-v5.0.20204 No Types Assigned https://www.telerik.com/support/whats-new/fiddler/release-history/fiddler-v5.0.20204 Release Notes, Vendor Advisory
    Changed Reference Type https://www.telerik.com/support/whats-new/release-history No Types Assigned https://www.telerik.com/support/whats-new/release-history Release Notes, Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:telerik:fiddler:*:*:*:*:*:*:*:* versions up to (including) 5.0.20202.18177
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-2020-13661 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-2020-13661 weaknesses.

Exploit Prediction

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

0.32 }} 0.09%

score

0.70847

percentile

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