CVE-2023-4785
Last modified
CVE-2023-4785 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.67% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Grpc | Grpc | >= 1.23.0, < 1.53.2 |
| Grpc | Grpc | >= 1.54.0, < 1.54.3 |
| Grpc | Grpc | >= 1.55.0, < 1.55.3 |
| Grpc | Grpc | 1.56.0 |
References
- https://github.com/grpc/grpc/pull/33656Issue Tracking, Patch
- https://github.com/grpc/grpc/pull/33667Issue Tracking
- https://github.com/grpc/grpc/pull/33669Issue Tracking
- https://github.com/grpc/grpc/pull/33670Issue Tracking
- https://github.com/grpc/grpc/pull/33672Issue Tracking
- https://github.com/grpc/grpc/pull/33656Issue Tracking, Patch
- https://github.com/grpc/grpc/pull/33667Issue Tracking
- https://github.com/grpc/grpc/pull/33669Issue Tracking
- https://github.com/grpc/grpc/pull/33670Issue Tracking
- https://github.com/grpc/grpc/pull/33672Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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