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Camaleon Cms CVE-2021-25970

HIGH
Insufficient Session Expiration (CWE-613)
2021-10-20 vulnerabilitylab@mend.io
8.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V7 - Session Management Session expiration enforcement
Impact

CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 1.3% exploitation probability (EPSS)

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AnalysisAI

Camaleon CMS 0.1.7 to 2.6.0 doesn’t terminate the active session of the users, even after the admin changes the user’s password. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

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

rubygems camaleon_cms fix: 2.6.0.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in rubygems

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-613. Camaleon CMS 0.1.7 to 2.6.0 doesn’t terminate the active session of the users, even after the admin changes the user’s password. A user that was already logged in, will still have access to the application even after the password was changed. Affected products include: Tuzitio Camaleon Cms.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH
AV:N/AC:L/PR:N/UI:R/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
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Camaleon CMS 0.1.7 to 2.6.0 doesn’t terminate the active session of the users, even after the admin changes the user’s password. A user that was already logged in, will still have access to the application even after the password was changed.

Threat Intelligence Overview

EPSS Score
1.3%
Top 34% exploitable
Data Quality
3 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 HIGH
CISA KEV No
Public POC No
EPSS 1.3%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

45
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:tuzitio:camaleon_cms:*:*:*:*:*:*:*:*
CVE-2024-46986 CRITICAL POC
9.9 Sep 18

Camaleon CMS is a dynamic and advanced content management system based on Ruby on Rails. Rated critical severity (CVSS 9

CVE-2023-30145 CRITICAL POC
9.8 May 26

Camaleon CMS v2.7.0 was discovered to contain a Server-Side Template Injection (SSTI) vulnerability via the formats para

CVE-2026-66748 HIGH POC
8.7 Jul 28

Authenticated remote code execution in Camaleon CMS 2.1.1 through 2.9.1 lets users who hold the custom_fields manage per

CVE-2024-46987 HIGH POC
7.7 Sep 18

Camaleon CMS is a dynamic and advanced content management system based on Ruby on Rails. Rated high severity (CVSS 7.7),

CVE-2024-48652 MEDIUM POC
4.8 Oct 22

Cross Site Scripting vulnerability in camaleon-cms v.2.7.5 allows remote attacker to execute arbitrary code via the cont

CVE-2026-116009 HIGH
8.7 Oct 24

Camaleon CMS releases before 2.9.3 let an authenticated user who holds only the 'media' permission escape the site's tem

CVE-2026-120429 HIGH
7.1 Nov 02

Camaleon CMS releases before 2.9.2 enforce only authentication, not authorization, on the Admin::MediaController endpoin

CVE-2021-25969 MEDIUM
6.1 Oct 20

In Camaleon CMS application, versions 0.0.1 to 2.6.0 are vulnerable to stored XSS, that allows an unauthenticated attack

CVE-2018-18260 MEDIUM
6.1 Oct 15

In the 2.4 version of Camaleon CMS, Stored XSS has been discovered. Rated medium severity (CVSS 6.1), this vulnerability

CVE-2026-1776 MEDIUM
6.0 Mar 10

Camaleon CMS versions 2.4.5.0 through 2.9.0, prior to commit f54a77e, contain a path traversal vulnerability in the AWS

CVE-2026-67616 MEDIUM
5.3 Aug 03

Draft post creation in Camaleon CMS through 2.9.2 allows any authenticated low-privileged user to create and overwrite d

CVE-2026-120430 MEDIUM
5.3 Nov 02

Category-management authorization bypass in Camaleon CMS before 2.9.2 lets an authenticated low-privileged user rename o

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