HOMEVULNERABILITIESCVE-2021-40965
HIGH

CVE-2021-40965

CWE-352Published: September 15, 2021· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2021-40965 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

prasathmani1 product(s)
tiny file manager
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://gist.github.com/omriinbar/953368dcdd9e5eeefd83920166099528
ADVISORYhttps://github.com/prasathmani/tinyfilemanager
ADVISORYhttps://gist.github.com/omriinbar/953368dcdd9e5eeefd83920166099528
ADVISORYhttps://github.com/prasathmani/tinyfilemanager

All References (4)

→
https://gist.github.com/omriinbar/953368dcdd9e5eeefd83920166099528Third Party Advisory
→
https://github.com/prasathmani/tinyfilemanagerProduct · Third Party Advisory
→
https://gist.github.com/omriinbar/953368dcdd9e5eeefd83920166099528Third Party Advisory
→
https://github.com/prasathmani/tinyfilemanagerProduct · Third Party Advisory

Quick Facts

CVE IDCVE-2021-40965
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-352
CISA KEVNo
Affected1 vendor(s)
PublishedSep 15, 2021

Related CVEs (CWE-352)

CVE-2025-32642
10.0
CVE-2025-23922
10.0
CVE-2017-5145
10.0
CVE-2023-51673
9.8
CVE-2024-47359
9.8
CVE-2025-23797
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-40965 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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