CVE-2021-40964

Tiny File Manager vulnerability

CVSS

6.5

EPSS

8.2%

EPSS pct

94th

Exploited

No known

A Path Traversal vulnerability exists in TinyFileManager all version up to and including 2.4.6 that allows attackers to upload a file (with Admin credentials or with the CSRF vulnerability) with the "fullpath" parameter containing path traversal strings (../ and ..\) in order to escape the server's intended working directory and write malicious files onto any directory on the computer.

Affected vendor

Prasathmani

Affected product

Tiny File Manager

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Weakness type (CWE)

CWE-22 — Path Traversal

Published

2021-09-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 8.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2021-40964

Confirm whether Prasathmani Tiny File Manager is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-40964.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-40964

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-40964 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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