Is CVE-2024-8948 actively exploited?

No active exploitation of CVE-2024-8948 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2024-8948 be exploited remotely?

Yes. CVE-2024-8948 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2024-8948?

CVE-2024-8948 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2024-8948

HIGH

CVE-2024-8948

CWE-122Published: September 17, 2024· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

A vulnerability was found in MicroPython 1.23.0. It has been rated as critical. Affected by this issue is the function mpz_as_bytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894. It is recommended to apply a patch to fix this issue. In micropython objint component, converting zero from int to bytes leads to heap buffer-overflow-write at mpz_as_bytes.

NVD Source

Technical Analysis

CVE-2024-8948 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 availability disruption (denial of service), with a CVSS base score of 7.5.