CVE-2021-26556

When Octopus Server 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
OctopusCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
VendorProductVersion
octopusoctopus_deploy
0.9 ≤
𝑥
< 2020.4.229
octopusoctopus_server
2020.5.0 ≤
𝑥
< 2020.5.256
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-%28CVE-2021-26556%29.1733296189.html
https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-%28CVE-2021-26556%29.1733296189.html