CVE-2021-26557 Privilege escalation in Octopus Tentacle
Unprivileged users can gain privileged access via DLL side-loading when Octopus Tentacle is installed in a custom folder with incorrect ACLs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-26557?
CVE-2021-26557 is a high-severity vulnerability in Octopus Tentacle, published on 7 Oct 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-426
Which versions are affected by CVE-2021-26557?
It affects 1 product.
Products include Octopus Tentacle.
How do I fix CVE-2021-26557?
No fix has been published for CVE-2021-26557 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-26557 being exploited?
There is no known exploitation of CVE-2021-26557 in the wild and no public exploit code.
Other vulnerabilities in Octopus Tentacle
Sources
Also known as GHSA-jjvc-94pp-59jx.