Is CVE-2019-16700 actively exploited?

No active exploitation of CVE-2019-16700 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-16700 be exploited remotely?

Yes. CVE-2019-16700 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-16700?

CVE-2019-16700 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2019-16700

CWE-434Published: October 16, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

The slub_events (aka SLUB: Event Registration) extension through 3.0.2 for TYPO3 allows uploading of arbitrary files to the webserver. For versions 1.2.2 and below, this results in Remote Code Execution. In versions later than 1.2.2, this can result in Denial of Service, since the web space can be filled up with arbitrary files.

NVD Source

Technical Analysis

CVE-2019-16700 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.