CVE-2022-31394 - Vulnerability Details - OpenCVE

Description

Hyperium Hyper before 0.14.19 does not allow for customization of the max_header_list_size method in the H2 third-party software, allowing attackers to perform HTTP2 attacks.

Published: 2023-02-21

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:hyper:hyper:*:*:*:*:*:rust:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-52907	Hyperium Hyper before 0.14.19 does not allow for customization of the max_header_list_size method in the H2 third-party software, allowing attackers to perform HTTP2 attacks.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00348.

Exploitation poc

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/hyperium/hyper/compare/v0.14.18...v0.14.19
https://github.com/hyperium/hyper/issues/2826
https://github.com/hyperium/hyper/pull/2828

History

Mon, 17 Mar 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Hyper Hyper

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-02-21T00:00:00.000Z

Updated: 2025-03-17T18:32:29.213Z

Reserved: 2022-05-23T00:00:00.000Z

Link: CVE-2022-31394

Vulnrichment

Updated: 2024-08-03T07:19:05.674Z

NVD

Status : Modified

Published: 2023-02-21T14:15:13.363

Modified: 2025-03-17T19:15:12.043

Link: CVE-2022-31394

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-770

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