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CVE-2024-5979

21
FAUCET Score

CVE-2024-5979 is a denial-of-service vulnerability affecting h2oai/h2o-3 version 3.46.0. It allows an unauthenticated attacker to remotely crash the server by invoking the "run_tool" command in the "rapids" component with an invalid argument for the "MojoConvertTool" class. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network without user interaction, leading to a complete loss of availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.46.0CPE matchmatch criteria
cpe:2.3:a:h2o:h2o:3.46.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.79%
Probability of exploitation in next 30 days
EPSS Percentile
52.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0079 is in the 28th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

pipGHSA-58m3-rcvp-f9wwhigh

h2o vulnerable to unexpected POST request shutting down server

Jun 27, 2024

References

github.com / h2oai/h2o-3/commit/d0899f8e0f7a584b60405a65b1d7b439aaaa55a5
huntr.com / bounties/d80a2139-fc03-44b7-b739-de41e323b458
ExploitThird Party Advisory