Is CVE-2023-32732 actively exploited?

CVE-2023-32732 has no public evidence of in-the-wild exploitation as of 2025-02-13.

What is the CVSS score for CVE-2023-32732?

CVE-2023-32732 has a CVSS score of 5.3 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

How do I patch CVE-2023-32732?

Patch guidance is available from grpc security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-32732.

CVE-2023-32732 - remediation guidance & executive summary

Q: Which products are affected by CVE-2023-32732?

3 products: grpc grpc, fedoraproject fedora, fedoraproject fedora.

Description

gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in https://github.com/grpc/grpc/pull/32309 https://www.google.com/url

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low
Weaknesses: CWE-440NVD-CWE-Other

Metadata

Primary Vendor: GRPC
Published: 6/9/2023
Last Modified: 2/13/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

grpc : grpcfedoraproject : fedorafedoraproject : fedora

Remediation Guidance

Executive Summary

Cite this page

CVE-2023-32732. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2023-32732

View on NIST NVD

CVE-2023-32732 vulnerability