Is CVE-2020-18432 actively exploited?

No active exploitation of CVE-2020-18432 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-18432 be exploited remotely?

Yes. CVE-2020-18432 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-18432?

CVE-2020-18432 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2020-18432

CRITICAL

CVE-2020-18432

CWE-434Published: June 30, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

File Upload vulnerability in SEMCMS PHP 3.7 allows remote attackers to upload arbitrary files and gain escalated privileges.

NVD Source

Risk Analysis

SEMCMS PHP 3.7 contains a file upload vulnerability that allows remote attackers to upload arbitrary files. This can lead to privilege escalation and full system compromise.

No public exploit is known, and it is not in the CISA KEV. It is remotely exploitable.

Recommended Action

Upgrade to a newer version of SEMCMS or implement strict file upload validation.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2020-18432 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.

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 9.8.