CVE-2021-33501
9.6
CRITICAL · CVSS 3.1 · EPSS 7.9% (pctl 95)
In your normal cycle
Critical by CVSS (9.6), but no sign of active exploitation.
Description
Overwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore:// URL.
Scoring
| CVSS | 9.6 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
| EPSS | 7.91% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-07-19 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| overwolf | overwolf |
References
- https://github.com/swordbytes/Advisories/blob/master/2021/Advisory_CVE-2021-33501.pdf
- https://swordbytes.com/blog/security-advisory-overwolf-1-click-remote-code-execution-cve-2021-33501/
- https://www.overwolf.com
- https://github.com/swordbytes/Advisories/blob/master/2021/Advisory_CVE-2021-33501.pdf
- https://swordbytes.com/blog/security-advisory-overwolf-1-click-remote-code-execution-cve-2021-33501/
- https://www.overwolf.com
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