CVE-2023-32731
high
CVSS v3
—
CVSS v4 NEW
—
VIR risk
8.0
Description
Connection confusion in gRPC
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| sles | affected | | |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| RubyGems | grpc | <>= 1.53.1 | >= 1.53.1 |
| Maven | io.grpc:grpc-protobuf | >=1.53.0,<1.53.1 | 1.53.1 |
| PyPI | grpcio | >=1.53.0,<1.53.1 | 1.53.1 |
| RubyGems | grpc | >=1.53.0,<1.53.1 | 1.53.1 |
| PyPI | grpcio | >=1.54.0,<1.54.2 | 1.54.2 |
| RubyGems | grpc | >=1.54.0,<1.54.2 | 1.54.2 |
| Maven | io.grpc:grpc-protobuf | >=1.54.0,<1.54.2 | 1.54.2 |
References
- https://github.com/grpc/grpc/issues/33463
- https://access.redhat.com/errata/RHSA-2024:10761
- https://nvd.nist.gov/vuln/detail/CVE-2023-32731
- https://github.com/grpc/grpc/pull/32309
- https://github.com/grpc/grpc/pull/33005
- https://github.com/grpc/grpc/commit/29d8beee0ac2555773b2a2dda5601c74a95d6c10
- https://github.com/grpc/grpc/commit/65a2a895afaf1d2072447b9baf246374b182a946
- https://github.com/grpc/grpc/releases/tag/v1.53.1
- https://github.com/grpc/grpc/releases/tag/v1.54.2
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/grpc/CVE-2023-32731.yml
- https://www.suse.com/security/cve/CVE-2023-32731.html
- https://security-tracker.debian.org/tracker/CVE-2023-32731
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.