VulnerabilityModified
CVE-2021-33501
Overwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore:// URL.
CRITICAL 9.6EPSS 7.91%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Overwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore:// URL.
- CVSS 3.1
- 9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- EPSS
- 7.91% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- overwolf/overwolf
- Source
- cve@mitre.org
References
- https://github.com/swordbytes/Advisories/blob/master/2021/Advisory_CVE-2021-33501.pdfExploit, Third Party Advisory
- https://swordbytes.com/blog/security-advisory-overwolf-1-click-remote-code-execution-cve-2021-33501/Exploit, Vendor Advisory
- https://www.overwolf.comProduct
- https://github.com/swordbytes/Advisories/blob/master/2021/Advisory_CVE-2021-33501.pdfExploit, Third Party Advisory
- https://swordbytes.com/blog/security-advisory-overwolf-1-click-remote-code-execution-cve-2021-33501/Exploit, Vendor Advisory
- https://www.overwolf.comProduct
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.