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Fencer Vulns
high 7.5

CVE-2024-8020 json

Denial of Service in lightning-ai/pytorch-lightning

published 2025-03-20 19 mo ago modified 2026-09-10 59 d ago also GHSA-98fp-7v67-4v3q , PYSEC-2026-1857 , PYSEC-2026-3971 , EUVD-2025-6922

cvss
7.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-8020 updated cvss 7.5

pytorch-lightning: Denial of Service in lightning-ai/pytorch-lightning

  • Red Hat OpenShift AI (RHOAI) rhoai/odh-codeflare-operator-rhel8
    not affected: vulnerable code not present “Implementing an input validation on the server-side for filter invalid POST requests to the /api/v1/state endpoint avoiding malicious requests.”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.com https://huntr.com/bounties/8b642a78-2b80-4fb0-9b2f-8ba0ff37db6a referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
OSV 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
pypi pytorch-lightning
<=2.3.2
 no fix listed
pypi lightning
<=2.3.2
 no fix listed

Affected products

  • lightning-ai lightning-ai/pytorch-lightning

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.