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CVE-2024-5452

44
FAUCET Score

CVE-2024-5452 is a critical remote code execution (RCE) vulnerability affecting the lightning-ai/pytorch-lightning library, specifically version 2.2.1. It stems from improper handling of deserialized user input and dunder attribute mismanagement by the deepdiff library, allowing attackers to bypass restrictions and modify application state. This vulnerability carries a CVSS score of 9.8 (CRITICAL) due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating high awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.3.3CPE matchmatch criteria
cpe:2.3:a:lightningai:pytorch_lightning:*:*:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
26.49%
Probability of exploitation in next 30 days
EPSS Percentile
97.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.2649 is in the 95th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: lightningFixed in: 2.3.3

Vendor Advisories (1)

pipGHSA-cgwc-qvrx-rf7fcritical

Remote code execution in pytorch lightning

Jun 6, 2024

References

github.com / lightning-ai/pytorch-lightning/commit/330af381de88cff17515418a341cbc1f9f127f9a
huntr.com / bounties/486add92-275e-4a7b-92f9-42d84bc759da
ExploitThird Party Advisory