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Online Leave Management System CVE-2022-45009

HIGH
Unrestricted Upload of File with Dangerous Type (CWE-434)
2022-12-07 cve@mitre.org
PHP RCE File Upload Online Leave Management System Online Leave Management System Project
7.2
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-434
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V5 - File Handling File type validation, storage isolation
MITRE ATT&CK

2 techniques across 2 tactics: Command and Control, Persistence

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 7.2 (HIGH). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived

A remote attacker could upload malicious files that can be executed on the server by sending crafted requests to the affected application.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 1.0% exploitation probability (EPSS)

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AnalysisAI

Online Leave Management System v1.0 was discovered to contain an arbitrary file upload vulnerability at /leave_system/classes/SystemSettings.php?f=update_settings. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. Online Leave Management System v1.0 was discovered to contain an arbitrary file upload vulnerability at /leave_system/classes/SystemSettings.php?f=update_settings. This vulnerability allows attackers to execute arbitrary code via a crafted PHP file. Affected products include: Online Leave Management System Project Online Leave Management System.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 7.2 HIGH
AV:N/AC:L/PR:H/UI:N/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
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Online Leave Management System v1.0 was discovered to contain an arbitrary file upload vulnerability at /leave_system/classes/SystemSettings.php?f=update_settings. This vulnerability allows attackers to execute arbitrary code via a crafted PHP file.

Threat Intelligence Overview

EPSS Score
1.0%
Top 40% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS GitHub VulDB

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 Yes
EPSS 1.0%
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
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

57
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +36
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Malicious File Upload HIGH

Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:a:online_leave_management_system_project:online_leave_management_system:1.0:*:*:*:*:*:*:*

More in Online Leave Management System

View all
CVE-2022-43179 HIGH POC
7.2 Nov 17

Online Leave Management System v1.0 was discovered to contain a SQL injection vulnerability via the component /admin/?pa
CVE-2022-41379 HIGH POC
7.2 Oct 07

An arbitrary file upload vulnerability in the component /leave_system/classes/Users.php?f=save of Online Leave Managemen
CVE-2022-41355 HIGH POC
7.2 Oct 06

Online Leave Management System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at /lea
CVE-2022-40928 HIGH POC
7.2 Sep 26

Online Leave Management System v1.0 is vulnerable to SQL Injection via /leave_system/classes/Master.php?f=delete_applica
CVE-2022-40927 HIGH POC
7.2 Sep 26

Online Leave Management System v1.0 is vulnerable to SQL Injection via /leave_system/classes/Master.php?f=delete_designa
CVE-2022-40926 HIGH POC
7.2 Sep 26

Online Leave Management System v1.0 is vulnerable to SQL Injection via /leave_system/classes/Master.php?f=delete_leave_t
CVE-2022-38304 HIGH POC
7.2 Sep 12

Online Leave Management System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at /mai
CVE-2022-38303 HIGH POC
7.2 Sep 12

Online Leave Management System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at /emp
CVE-2022-38302 HIGH POC
7.2 Sep 12

Online Leave Management System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at /mai
CVE-2022-45008 MEDIUM POC
4.8 Dec 07

Online Leave Management System v1.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability in the c

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References

Advisories & patches
ADVISORY https://vuldb.com/vuln/215017

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