HOMEVULNERABILITIESCVE-2020-24140
HIGH

CVE-2020-24140

CWE-918Published: April 7, 2021· Updated: Jun 17, 2026

8.3
CVSS v3.1

Official Description

Server-side request forgery in Wcms 0.3.2 let an attacker send crafted requests from the back-end server of a vulnerable web application via the pagename parameter to wex/html.php. It can help identify open ports, local network hosts and execute command on local services.

NVD Source

Technical Analysis

CVE-2020-24140 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeChanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Affected Vendors & Products

wcms1 product(s)
wcms
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

Quick Facts

CVE IDCVE-2020-24140
CVSS Score8.3 / 10
SeverityHIGH
WeaknessCWE-918
CISA KEVNo
Affected1 vendor(s)
PublishedApr 7, 2021

Related CVEs (CWE-918)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-24140 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.