CVE-2021-20726
CVE-2021-20726 is a high-severity vulnerability in Overwolf with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-427.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 4.4
- EPSS exploit prediction: 0% (21st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-427
- Affected product: Overwolf
- Published:
- Last modified:
Description
Untrusted search path vulnerability in The Installer of Overwolf 2.168.0.n and earlier allows an attacker to gain privileges and execute arbitrary code with the privilege of the user invoking the installer via a Trojan horse DLL in an unspecified directory.
Frequently asked questions
- What is CVE-2021-20726?
- Untrusted search path vulnerability in The Installer of Overwolf 2.168.0.n and earlier allows an attacker to gain privileges and execute arbitrary code with the privilege of the user invoking the installer via a Trojan horse DLL in an unspecified directory.
- How severe is CVE-2021-20726?
- CVE-2021-20726 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-20726 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-20726?
- CVE-2021-20726 affects Overwolf. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-20726?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-20726 published?
- CVE-2021-20726 was published on 2021-05-24 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:overwolf:overwolf:*:*:*:*:*:*:*:*
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- CVE-2020-25214 — High (CVSS 8.1): In the client in Overwolf 0.149.2.30, a channel can be accessed or influenced by an actor that is not an endpoint.
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