Is CVE-2020-11546 actively exploited?

No active exploitation of CVE-2020-11546 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-11546 be exploited remotely?

Yes. CVE-2020-11546 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-11546?

CVE-2020-11546 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2020-11546

CWE-94Published: July 14, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php. An unauthenticated remote attacker can exploit this behavior to execute arbitrary PHP code via Code Injection.

NVD Source

Technical Analysis

CVE-2020-11546 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.