CVE-2021-26557
First published: Thu Oct 07 2021(Updated: )
When Octopus Tentacle is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access.
Credit: security@octopus.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Octopus Tentacle | >=3.15.4<6.0.489 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-26557?
CVE-2021-26557 is considered a high severity local privilege escalation vulnerability.
How do I fix CVE-2021-26557?
To fix CVE-2021-26557, ensure correct ACLs are set on the installation folder of Octopus Tentacle.
Who is affected by CVE-2021-26557?
CVE-2021-26557 affects users who installed Octopus Tentacle in a custom folder location without proper folder permissions.
What could an attacker exploit in CVE-2021-26557?
An attacker could exploit CVE-2021-26557 to use DLL side-loading to gain elevated privileges on the system.
What versions of Octopus Tentacle are vulnerable to CVE-2021-26557?
Octopus Tentacle versions between 3.15.4 and 6.0.489 are vulnerable to CVE-2021-26557.
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