CVE-2023-6337
Vault May be Vulnerable to a Denial of Service Through Memory Exhaustion When Handling Large HTTP Requests
7.5
HIGH
CVSS 3.1
EPSS 1.00%
Description
HashiCorp Vault and Vault Enterprise 1.12.0 and newer are vulnerable to a denial of service through memory exhaustion of the host when handling large unauthenticated and authenticated HTTP requests from a client. Vault will attempt to map the request to memory, resulting in the exhaustion of available memory on the host, which may cause Vault to crash. Fixed in Vault 1.15.4, 1.14.8, 1.13.12.
How to fix CVE-2023-6337
To remediate CVE-2023-6337, upgrade the affected package to a fixed version below.
- —upgrade to 1.13.12 or later
- —upgrade to 1.15.4 or later
- —upgrade to 1.13.12 or later
Is CVE-2023-6337 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- >= 1.13.0, < 1.13.12, >= 1.14.0, < 1.14.8, >= 1.15.0, < 1.15.4
- >= 1.15.0, < 1.15.4
- >= 1.12.0, < 1.13.12, >= 1.14.0, < 1.14.8, >= 1.15.0, < 1.15.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |