HOMEVULNERABILITIESCVE-2023-5284
HIGH

CVE-2023-5284

CWE-434Published: September 29, 2023· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

A vulnerability classified as critical has been found in SourceCodester Engineers Online Portal 1.0. Affected is an unknown function of the file upload_save_student.php. The manipulation of the argument uploaded_file leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-240912.

NVD Source

Technical Analysis

CVE-2023-5284 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

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.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

engineers_online_portal_project1 product(s)
engineers online portal
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://vuldb.com/?ctiid.240912
ADVISORYhttps://vuldb.com/?id.240912
ADVISORYhttps://vuldb.com/?ctiid.240912
ADVISORYhttps://vuldb.com/?id.240912

All References (6)

→
https://github.com/llixixi/Engineers-Online-Portal-System/blob/main/Engineers%20Online%20Portal%20System%20upload_save_student.php%20has%20a%20file%20upload%20(RCE)%20vulnerability.pdfExploit
→
https://vuldb.com/?ctiid.240912Permissions Required · Third Party Advisory · VDB Entry
→
https://vuldb.com/?id.240912Third Party Advisory · VDB Entry
→
https://github.com/llixixi/Engineers-Online-Portal-System/blob/main/Engineers%20Online%20Portal%20System%20upload_save_student.php%20has%20a%20file%20upload%20(RCE)%20vulnerability.pdfExploit
→
https://vuldb.com/?ctiid.240912Permissions Required · Third Party Advisory · VDB Entry
→
https://vuldb.com/?id.240912Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2023-5284
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-434
CISA KEVNo
Affected1 vendor(s)
PublishedSep 29, 2023

Related CVEs (CWE-434)

CVE-2021-42645
10.0
CVE-2024-0916
10.0
CVE-2019-10959
10.0
CVE-2025-6327
10.0
CVE-2019-7268
10.0
CVE-2024-49216
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-5284 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. CVE data is provided under the NVD usage policy.
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