Home/CVE/When Octopus Tentacle is installed using a custom folder location, folder ACLs are not set correctly and could lead to a
CVE

CVE-2021-26557

When Octopus Tentacle is installed using a custom folder location, folder ACLs are not set correctly and could lead to a

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.

HIGH · CVSS 7.8 EPSS 0.00058
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-426Untrusted Search Path
▤

Affected Products & Versions

1
octopus tentacle>= 3.15.4 and < 6.0.489
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · security@octopus.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Oct 2021 · 01:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://advisories.octopus.com/adv/2021-02---Local-privilege-escalation-in-Octopus-Tentacle-%28CVE-2021-26557%29.1732870264.html
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