Is CVE-2021-41751 actively exploited?

No active exploitation of CVE-2021-41751 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-41751 be exploited remotely?

Yes. CVE-2021-41751 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-41751?

CVE-2021-41751 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-41751

CRITICAL

CVE-2021-41751

CWE-120Published: April 5, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Buffer overflow vulnerability in file ecma-builtin-array-prototype.c:909 in function ecma_builtin_array_prototype_object_slice in Jerryscript before commit e1ce7dd7271288be8c0c8136eea9107df73a8ce2 on Oct 20, 2021.

NVD Source

Technical Analysis

CVE-2021-41751 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.