What is the CVSS score of CVE-2023-28443?

CVE-2023-28443 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2023-28443?

Yes, a public proof-of-concept exploit is available for CVE-2023-28443. Prioritise patching immediately. EPSS: 0.3%.

Is there a patch available for CVE-2023-28443?

Yes, a patch is available for CVE-2023-28443. Update the affected software to the latest version immediately.

Directus CVE-2023-28443

MEDIUM

Improper Access Control (CWE-284)

2023-03-24 security-advisories@github.com

Authentication Bypass Directus Monospace

5.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-284 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Access control enforcement MITRE ATT&CK 1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 5.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived	Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.3% exploitation probability (EPSS)

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AnalysisAI

Directus is a real-time API and App dashboard for managing SQL database content. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

npm directus fix: 9.23.3

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in npm

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 under CWE-284. Directus is a real-time API and App dashboard for managing SQL database content. Prior to version 9.23.3, the directus_refresh_token is not redacted properly from the log outputs and can be used to impersonate users without their permission. This issue is patched in version 9.23.3. Affected products include: Monospace Directus. Version information: version 9.23.3.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.5 MEDIUM

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionNVD

Directus is a real-time API and App dashboard for managing SQL database content. Prior to version 9.23.3, the directus_refresh_token is not redacted properly from the log outputs and can be used to impersonate users without their permission. This issue is patched in version 9.23.3.

Threat Intelligence Overview

EPSS Score

0.3%

Top 77% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

GitHub

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 MEDIUM

CISA KEV No

Public POC Yes

EPSS 0.3%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

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

Poc

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +28

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

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

Affected Products (CPE)NVD

cpe:2.3:a:monospace:directus:*:*:*:*:*:node.js:*:*

More in Directus

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9.8 May 05

Directus 6.4.9 has a hardcoded admin password for the Admin account because of an INSERT statement in api/schema.sql. Ra

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9.3 Aug 20

Directus is a real-time API and App dashboard for managing SQL database content. Rated critical severity (CVSS 9.3), thi

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8.8 Apr 07

Directus 8 before 8.8.2 allows remote authenticated users to execute arbitrary code because file-upload permissions incl

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8.8 Feb 23

In Directus 8.x through 8.8.1, an attacker can switch to the administrator role (via the PATCH method) without any contr

CVE-2025-30353 HIGH This Week POC

8.6 Mar 26

Directus is a real-time API and App dashboard for managing SQL database content. Rated high severity (CVSS 8.6), this vu

CVE-2024-27295 HIGH This Week POC

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7.7 Jul 08

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CVE-2024-36128 HIGH This Week POC

7.5 Jun 03

Directus is a real-time API and App dashboard for managing SQL database content. Rated high severity (CVSS 7.5), this vu

CVE-2023-26492 HIGH This Week POC

7.5 Mar 03

Directus is a real-time API and App dashboard for managing SQL database content. Rated high severity (CVSS 7.5), this vu

CVE-2021-26593 HIGH This Week POC

7.5 Feb 23

In Directus 8.x through 8.8.1, an attacker can see all users in the CMS using the API /users/{id}. Rated high severity (

CVE-2024-45596 MEDIUM This Month POC

6.5 Sep 10

Directus is a real-time API and App dashboard for managing SQL database content. Rated medium severity (CVSS 6.5), this

Same weakness CWE-284 – Improper Access Control

View all

CVE-2015-3306 CRITICAL POC

10.0

CVE-2012-4681 CRITICAL POC

9.8

CVE-2011-3544 CRITICAL POC

9.8

CVE-2012-1723 CRITICAL POC

9.8

CVE-2012-5076 CRITICAL POC

9.8

CVE-2014-3120 HIGH POC

8.1

CVE-2013-2423 LOW POC

3.7

CVE-2016-3427 CRITICAL

9.8

Same technique Authentication Bypass

View all

CVE-2023-22515 CRITICAL POC

9.8

CVE-2013-2465 CRITICAL POC

9.8

CVE-2022-40684 CRITICAL POC

9.8

CVE-2025-61882 CRITICAL POC

9.8

CVE-2024-0012 CRITICAL POC

9.3

References

Advisories & patches

PATCH https://github.com/directus/directus/commit/349536303983ccba68ecb3e4fb35315424011afc ADVISORY https://github.com/directus/directus/blob/7c479c5161639aac466c763b6b958a9524201d74/api/src/logger.ts#L13

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GitHub PoC

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