Is CVE-2020-14260 actively exploited?

No active exploitation of CVE-2020-14260 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-14260 be exploited remotely?

Yes. CVE-2020-14260 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-14260?

CVE-2020-14260 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2020-14260

CRITICAL

CVE-2020-14260

CWE-120Published: December 2, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

HCL Domino is susceptible to a Buffer Overflow vulnerability in DXL due to improper validation of user input. A successful exploit could enable an attacker to crash Domino or execute attacker-controlled code on the server system.

NVD Source

Technical Analysis

CVE-2020-14260 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.