CVE-2021-21270

Cleartext Storage of Sensitive Information

MEDIUM
5.5
CVSS Score
Published: January 22, 2021 at 06:05 PM UTC
Updated: June 17, 2026 at 03:35 AM UTC
2 products affected across 2 vendorsOctopusdscOctopusDSC

Using OctopusDSC by OctopusDeploy?

Get instant alerts when new vulnerabilities affect OctopusDSC - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%

Description

OctopusDSC is a PowerShell module with DSC resources that can be used to install and configure an Octopus Deploy Server and Tentacle agent. In OctopusDSC version 4.0.977 and earlier a customer API key used to connect to Octopus Server is exposed via logging in plaintext. This vulnerability is patched in version 4.0.1002.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.0.1002
Affected range stops below 4.0.1002, so it looks safe — our inference, not a vendor statement
v < 4.0.1002
Affected range stops below 4.0.1002, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-319

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card