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Juju CVE-2017-9232

CRITICAL
Missing Authorization (CWE-862)
2017-05-28 cve@mitre.org
9.8
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

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. Public proof-of-concept exploit code is available. EPSS exploitation probability: 81.61%.

Exploit ScenarioDerived

A remote attacker could access resources or perform actions without proper authorization checks 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 + public POC available.
Patch available 81.6% exploitation probability (EPSS)

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AnalysisAI

Juju before 1.25.12, 2.0.x before 2.0.4, and 2.1.x before 2.1.3 uses a UNIX domain socket without setting appropriate permissions, allowing privilege escalation by users on the system to root. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 81.6%.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.

Affected Packages

go github.com/juju/juju fix: 0.0.0-20170524231039-0417178a3c28

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in go

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 Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. Juju before 1.25.12, 2.0.x before 2.0.4, and 2.1.x before 2.1.3 uses a UNIX domain socket without setting appropriate permissions, allowing privilege escalation by users on the system to root. Affected products include: Canonical Juju. Version information: before 1.25.12.

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

DescriptionCVE.org

Juju before 1.25.12, 2.0.x before 2.0.4, and 2.1.x before 2.1.3 uses a UNIX domain socket without setting appropriate permissions, allowing privilege escalation by users on the system to root.

Threat Intelligence Overview

Threat Score
5.9/10
Composite threat intelligence
EPSS Score
81.6%
Top 1% exploitable
Exploit
POC
Public exploit code exists
Data Quality
5 sources
Confidence: Medium

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 Yes
EPSS 81.6%
Patch available Yes
Active threat Yes
Deciding rule
CRITICAL severity + public POC available
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
Immediate
Exploitation· derived
Active
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
High

Priority Score

166
Low Medium High Critical
KEV: 0
EPSS: +82
CVSS: +49
PoC: +20
Weaponized: +15
Threat intel: 0
Gov advisory: 0

Attack Technique

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

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

Affected Products (CPE)CVE.org

cpe:2.3:a:canonical:juju:*:*:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta10:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta11:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta12:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta13:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta14:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta15:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta16:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta17:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta18:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta2:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta3:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta4:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta5:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta6:*:*:*:*:*:*
cpe:2.3:a:canonical:juju:2.0.0:beta7:*:*:*:*:*:*
+ 18 more

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References

Advisories & patches

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