Is CVE-2020-18877 actively exploited?

No active exploitation of CVE-2020-18877 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-18877 be exploited remotely?

Yes. CVE-2020-18877 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-18877?

CVE-2020-18877 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2020-18877

CWE-89Published: August 20, 2021· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

SQL Injection in Wuzhi CMS v4.1.0 allows remote attackers to obtain sensitive information via the 'flag' parameter in the component '/coreframe/app/order/admin/index.php'.

NVD Source

Technical Analysis

CVE-2020-18877 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), with a CVSS base score of 7.5.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.