CVE-2021-26807
HIGHCVSS 7.8/10EPSS 0.48%
Last modified
CVE-2021-26807 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. GalaxyClient version 2.0.28.9 loads unsigned DLLs such as zlib1.dll, libgcc_s_dw2-1.dll and libwinpthread-1.dll from PATH, which allows an attacker to potentially run code locally through unsigned DLL loading.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.
Description
GalaxyClient version 2.0.28.9 loads unsigned DLLs such as zlib1.dll, libgcc_s_dw2-1.dll and libwinpthread-1.dll from PATH, which allows an attacker to potentially run code locally through unsigned DLL loading.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gog | Galaxy | 2.0.28.9 |
References
- https://illuminati.services/2021/04/29/cve-2021-26807-gog-galaxy-v2-0-35-dll-load-order-hijacking/Exploit, Third Party Advisory
- https://www.gog.comVendor Advisory
- https://illuminati.services/2021/04/29/cve-2021-26807-gog-galaxy-v2-0-35-dll-load-order-hijacking/Exploit, Third Party Advisory
- https://www.gog.comVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-26807?
GalaxyClient version 2.0.28.9 loads unsigned DLLs such as zlib1.dll, libgcc_s_dw2-1.dll and libwinpthread-1.dll from PATH, which allows an attacker to potentially run code locally through unsigned DLL loading.
How severe is CVE-2021-26807?
CVE-2021-26807 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.
How do I fix CVE-2021-26807?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-26807?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST