CVE-2022-31394
HIGH
7.5
CVSS Score
Published: February 21, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 04:45 AM UTC
1 product affected across 1 vendorHyper
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
PoC
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
ExploitIssue TrackingPatchVendor Advisory
Source: [email protected]
https://github.com/hyperium/hyper/issues/2826SSVC — Action Prioritization
SSVCPoCAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-770
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