What is CVE-2024-8020?

CVE-2024-8020 is a high-severity vulnerability in Lightning-Ai Lightning-Ai/pytorch-Lightning, classified under CWE-248. CVSS score: 7.5/10. Published 2025-03-20.

How severe is CVE-2024-8020?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Lightning-Ai Lightning-Ai/pytorch-Lightning

CVE-2024-8020

A vulnerability in lightning-ai/pytorch-lightning version 2.3.2 allows an attacker to cause a denial of service by sending an unexpected POST request to the `/api/v1/state` endpoint of `LightningApp`. This issue occurs due to improper handling of unexpected state values, which results in the server shutting down.

Published 2025-03-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Lightning-Ai Lightning-Ai/pytorch-Lightning — versions unspecified
Lightningai Pytorch Lightning — versions 2.3.2

Weakness classification (CWE)

CWE-248

References

huntr.com/bounties/8b642a78-2b80-4fb0-9b2f-8ba0ff37db6a (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-8020?: CVE-2024-8020 is a high-severity vulnerability in Lightning-Ai Lightning-Ai/pytorch-Lightning, classified under CWE-248. CVSS score: 7.5/10. Published 2025-03-20.
How severe is CVE-2024-8020?: High severity. CVSS v3 base score is 7.5 out of 10.