Skip to main content

Tiny File Manager CVE-2021-40965

HIGH
Cross-Site Request Forgery (CSRF) (CWE-352)
2021-09-15 cve@mitre.org
8.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Anti-CSRF tokens, SameSite cookies
MITRE ATT&CK

1 technique across 1 tactic: 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 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required.

Exploit ScenarioDerived

A remote attacker could trick authenticated users into performing unintended actions by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.6% exploitation probability (EPSS)

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

Alert me

AnalysisAI

A Cross-Site Request Forgery (CSRF) vulnerability exists in TinyFileManager all version up to and including 2.4.6 that allows attackers to upload files and run OS commands by inducing the. Rated high severity (CVSS 8.8), 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 anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.

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 Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. A Cross-Site Request Forgery (CSRF) vulnerability exists in TinyFileManager all version up to and including 2.4.6 that allows attackers to upload files and run OS commands by inducing the Administrator user to browse a URL controlled by an attacker. Affected products include: Prasathmani Tiny File Manager.

Know when Tiny File Manager 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 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

A Cross-Site Request Forgery (CSRF) vulnerability exists in TinyFileManager all version up to and including 2.4.6 that allows attackers to upload files and run OS commands by inducing the Administrator user to browse a URL controlled by an attacker.

Threat Intelligence Overview

EPSS Score
0.6%
Top 56% 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 0.6%
Patch available No
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

Cross-Site Request Forgery exploits the automatic credential inclusion behavior of web browsers.

Affected Products (CPE)NVD

cpe:2.3:a:prasathmani:tiny_file_manager:*:*:*:*:*:*:*:*
CVE-2022-40916 CRITICAL POC
9.8 Feb 06

Tiny File Manager v2.4.7 and below is vulnerable to session fixation. Rated critical severity (CVSS 9.8), this vulnerabi

CVE-2022-45476 CRITICAL POC
9.8 Nov 25

Tiny File Manager version 2.4.8 executes the code of files uploaded by users of the application, instead of just returni

CVE-2022-1000 CRITICAL POC
9.8 Mar 17

Path Traversal in GitHub repository prasathmani/tinyfilemanager prior to 2.4.7. Rated critical severity (CVSS 9.8), this

CVE-2022-23044 HIGH POC
8.8 Nov 25

Tiny File Manager version 2.4.8 allows an unauthenticated remote attacker to persuade users to perform unintended action

CVE-2022-45475 MEDIUM POC
6.5 Nov 25

Tiny File Manager version 2.4.8 allows an unauthenticated remote attacker to access the application's internal files. Ra

CVE-2021-40964 MEDIUM POC
6.5 Sep 15

A Path Traversal vulnerability exists in TinyFileManager all version up to and including 2.4.6 that allows attackers to

CVE-2022-40490 MEDIUM POC
4.8 Feb 06

Tiny File Manager v2.4.7 and below was discovered to contain a Cross Site Scripting (XSS) vulnerability. Rated medium se

CVE-2019-16790 HIGH
8.8 Dec 30

In Tiny File Manager before 2.3.9, there is a remote code execution via Upload from URL and Edit/Rename files. Rated hig

CVE-2020-12103 HIGH
7.7 Apr 28

In Tiny File Manager 2.4.1 there is a vulnerability in the ajax file backup copy functionality which allows authenticate

CVE-2020-12102 HIGH
7.7 Apr 28

In Tiny File Manager 2.4.1, there is a Path Traversal vulnerability in the ajax recursive directory listing functionalit

CVE-2025-15138 LOW POC
2.0 Dec 28

Path traversal in Tiny File Manager up to 2.6 allows authenticated attackers with high privileges to manipulate the full

CVE-2021-40966 MEDIUM
5.4 Sep 15

A Stored XSS exists in TinyFileManager All version up to and including 2.4.6 in /tinyfilemanager.php when the server is

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