Skip to main content

Octopus Server CVE-2022-2572

CRITICAL
Improper Authentication (CWE-287)
2022-11-01 security@octopus.com
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK

2 techniques across 2 tactics: Defense Evasion, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could bypass authentication mechanisms to gain unauthorized access by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.8% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

In affected versions of Octopus Server where access is managed by an external authentication provider, it was possible that the API key/keys of a disabled/deleted user were still valid after the. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. In affected versions of Octopus Server where access is managed by an external authentication provider, it was possible that the API key/keys of a disabled/deleted user were still valid after the access was revoked. Affected products include: Octopus Octopus Server.

Know when Octopus Server gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

In affected versions of Octopus Server where access is managed by an external authentication provider, it was possible that the API key/keys of a disabled/deleted user were still valid after the access was revoked.

Threat Intelligence Overview

EPSS Score
0.8%
Top 47% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.8%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:*
cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:*
cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:*
cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:*
CVE-2018-18850 HIGH POC
8.8 Oct 31

In Octopus Deploy 2018.8.0 through 2018.9.x before 2018.9.1, an authenticated user with permission to modify deployment

CVE-2019-11632 HIGH POC
8.1 May 01

In Octopus Deploy 2019.1.0 through 2019.3.1 and 2019.4.0 through 2019.4.5, an authenticated user with the VariableViewUn

CVE-2026-4881 MEDIUM POC
6.0 Jun 04

Server-level configuration changes can be made by any authenticated low-privilege user in Octopus Server through a speci

CVE-2022-2778 CRITICAL
9.8 Sep 30

In affected versions of Octopus Deploy it is possible to bypass rate limiting on login using null bytes. Rated critical

CVE-2018-11320 CRITICAL
9.8 May 21

In Octopus Deploy 2018.4.4 through 2018.5.1, Octopus variables that are sourced from the target do not have sensitive va

CVE-2026-0704 CRITICAL
9.1 Feb 25

Path traversal in Octopus Deploy allows removing files and file contents on the host through API manipulation. Enables d

CVE-2022-2782 CRITICAL
9.1 Oct 27

In affected versions of Octopus Server it is possible for a session token to be valid indefinitely due to improper valid

CVE-2026-92355 HIGH
8.7 Sep 16

Path traversal in Octopus Server allows an authenticated low-privilege user to overwrite arbitrary files on the server f

CVE-2026-101169 HIGH
8.7 Sep 29

Authenticated remote code execution in Octopus Server allows any user whose role grants permission to edit an Environmen

CVE-2026-102478 HIGH
8.7 Oct 07

Privilege escalation in Octopus Server lets an authenticated user who already holds permission to modify roles weaken a

CVE-2026-102488 HIGH
8.7 Oct 08

Incorrect authorization in Octopus Server causes the platform to evaluate multiple scoped permission assignments incorre

CVE-2024-9194 HIGH
8.7 Sep 30

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Linux and Microsof

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy