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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.4 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.4^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 3.4 / Impact : 6.4

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-(CVE-2021-26556).1733296189.html	Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:octopus:octopus_deploy::::::::
	cpe:2.3:a:octopus:octopus_server::::::::

Information

Published : 2021-10-06 18:15

Updated : 2022-07-27 09:57

NVD link : CVE-2021-26556

Mitre link : CVE-2021-26556

JSON object : View

CWE

CWE-426

Untrusted Search Path

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Products Affected

octopus

octopus_deploy
octopus_server

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