Vulnerability in Google Grpc
CVE-2023-4785
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.008 (54.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Google Grpc — versions 0, 1.57, 1.56.0
- Grpc — versions 1.56.0
Weakness classification (CWE)
References
- github.com/grpc/grpc/pull/33656 (Patch, Issue Tracking)
- github.com/grpc/grpc/pull/33667 (Issue Tracking)
- github.com/grpc/grpc/pull/33669 (Issue Tracking)
- github.com/grpc/grpc/pull/33670 (Issue Tracking)
- github.com/grpc/grpc/pull/33672 (Issue Tracking)
Frequently asked questions
- What is CVE-2023-4785?
- CVE-2023-4785 is a high-severity vulnerability in Google Grpc, classified under CWE-248. CVSS score: 7.5/10. Published 2023-09-13.
- How severe is CVE-2023-4785?
- High severity. CVSS v3 base score is 7.5 out of 10.