9.6
CRITICAL CVSS 3.1
CVE-2021-33501
Overwolf Client Cross-Site Scripting with Remote Code Execution
Description

Overwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore:// URL.

INFO

Published Date :

July 19, 2021, 12:15 p.m.

Last Modified :

Nov. 21, 2024, 6:08 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2021-33501 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 Overwolf overwolf
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
Public PoC/Exploit Available at Github

CVE-2021-33501 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-33501 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-2021-33501 weaknesses.

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).

List of Security advisories released by SwordBytes

security advisories cve gaming

Updated: 4 years, 2 months ago
3 stars 0 fork 0 watcher
Born at : May 30, 2021, 3:32 p.m. This repo has been linked 1 different CVEs too.

Repository of Bug-Bounty Writeups

bugbounty fuzzing penetration-testing security-tools

Updated: 1 week ago
318 stars 49 fork 49 watcher
Born at : Nov. 6, 2020, 8:24 a.m. This repo has been linked 39 different CVEs too.

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

The following list is the news that have been mention CVE-2021-33501 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-33501 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://github.com/swordbytes/Advisories/blob/master/2021/Advisory_CVE-2021-33501.pdf
    Added Reference https://swordbytes.com/blog/security-advisory-overwolf-1-click-remote-code-execution-cve-2021-33501/
    Added Reference https://www.overwolf.com
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Jul. 29, 2021

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N)
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:C/I:C/A:C)
  • Initial Analysis by [email protected]

    Jul. 29, 2021

    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:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
    Changed Reference Type https://github.com/swordbytes/Advisories/blob/master/2021/Advisory_CVE-2021-33501.pdf No Types Assigned https://github.com/swordbytes/Advisories/blob/master/2021/Advisory_CVE-2021-33501.pdf Exploit, Third Party Advisory
    Changed Reference Type https://swordbytes.com/blog/security-advisory-overwolf-1-click-remote-code-execution-cve-2021-33501/ No Types Assigned https://swordbytes.com/blog/security-advisory-overwolf-1-click-remote-code-execution-cve-2021-33501/ Exploit, Vendor Advisory
    Changed Reference Type https://www.overwolf.com No Types Assigned https://www.overwolf.com Product
    Added CWE NIST CWE-79
    Added CPE Configuration OR *cpe:2.3:a:overwolf:overwolf:0.169.0.22:*:*:*:*:*:*:*
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.
Vulnerability Scoring Details
Base CVSS Score: 9.6
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 9.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

12.54 }} 6.08%

score

0.93622

percentile