CVE-2023-4785

    Dashboard / Vulnerabilities / CVE-2023-4785

    CVE-2023-4785

    Published: 13 Sept 2023Last Modified: 30 Sept 2026

    Summary: Denial of Service in gRPC Core

    Details: Lack of error handling in the TCP server in Google's gRPC starting version 1.23 on posix-compatible platforms (ex. Linux) allows an attacker to cause a denial of service by initiating a significant number of connections with the server. Note that gRPC C++ Python, and Ruby are affected, but gRPC Java, and Go are NOT affected.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4785.json, https://nvd.nist.gov/vuln/detail/CVE-2023-4785, https://github.com/grpc/grpc/pull/33656, https://github.com/grpc/grpc/pull/33667, https://github.com/grpc/grpc/pull/33669, https://github.com/grpc/grpc/pull/33670, https://github.com/grpc/grpc/pull/33672, https://github.com/grpc/grpc

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 7c0764918b9f33cab507ff483b4be849b0203ec4
    Fixed -afb307fb89ed83f358d82b5d359034a039a95e66

    Affected versions

    1.56.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2023-4785 | CVE-DB