Octopus Deploy Server/Tentacle Agent up to 4.0.977 OctopusDSC cleartext transmission

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CVSS Meta Temp Score
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4.7$0-$5k0.00

A vulnerability has been found in Octopus Deploy Server and Tentacle Agent up to 4.0.977 and classified as problematic. This vulnerability affects an unknown code block of the component OctopusDSC. The manipulation with an unknown input leads to a weak encryption vulnerability. The CWE definition for the vulnerability is CWE-319. As an impact it is known to affect confidentiality. CVE summarizes:

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.

The weakness was presented 01/23/2021. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-21270 since 12/22/2020. The exploitation appears to be easy. The attack can be initiated remotely. The requirement for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1552.

Upgrading to version 4.0.1002 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

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VulDB Base Score: 🔒
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VulDB Reliability: 🔍

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Exploitinginfoedit

Class: Weak encryption
CWE: CWE-319
ATT&CK: T1552

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Deploy Server/Tentacle Agent 4.0.1002
Patch: github.com

Timelineinfoedit

12/22/2020 CVE assigned
01/23/2021 +32 days Advisory disclosed
01/23/2021 +0 days VulDB entry created
02/19/2021 +27 days VulDB last update

Sourcesinfoedit

Advisory: github.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2021-21270 (🔒)

Entryinfoedit

Created: 01/23/2021 10:21 AM
Updated: 02/19/2021 01:59 PM
Changes: (19) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai source_cve_cna vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
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