CVE-2022-40734

Exp

UniSharp laravel-filemanager (aka Laravel Filemanager) before 2.6.4 allows download?working_dir=%2F.. directory traversal to read arbitrary files, as exploited in the wild in June 2022. This is related to league/flysystem before 2.0.0.

Published: 2022-09-14 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-40734 is rated High Exploit Risk (75.8/100): CVSS Medium severity, with high exploitation likelihood (EPSS 91.65%, 100th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2022-40734

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2022-40734

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-31 91.74% 91.65% -0.09%
2 2026-02-28 92.94% 91.74% -1.20%
3 2025-11-21 — 92.94% —

Full EPSS history (39 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-40734

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 3.6 [email protected]

Weakness enumeration for CVE-2022-40734

GitHub Security Advisory for CVE-2022-40734

GHSA-5m2h-7rf2-rpx6 · Severity: medium · Ecosystem: composer — UniSharp Laravel Filemanager directory traversal vulnerability

Affected software / configurations for CVE-2022-40734

Vendor Product Version Raw CPE
unisharp laravel_filemanager <= 2.5.1 cpe:2.3:a:unisharp:laravel_filemanager:*:*:*:*:*:*:*:*

References for CVE-2022-40734

cvelogic Threat Intelligence