Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2023-32732
June 09, 2023
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
Affected Packages
grpc (CONAN):
Affected version(s) >=1.46.3 <1.53.0
Fix Suggestion:
Update to version 1.53.0
io.grpc:grpc-protobuf (JAVA):
Affected version(s) >=1.54.0 <1.54.2
Fix Suggestion:
Update to version 1.54.2
grpcio (PYTHON):
Affected version(s) =1.53.0 <1.53.1
Fix Suggestion:
Update to version 1.53.1
grpcio (PYTHON):
Affected version(s) =1.54.0 <1.54.2
Fix Suggestion:
Update to version 1.54.2
grpc (RUBY):
Affected version(s) =1.54.0 <1.54.2
Fix Suggestion:
Update to version 1.54.2
grpc (RUBY):
Affected version(s) >=1.53.0 <1.53.1
Fix Suggestion:
Update to version 1.53.1
Additional Notes
The description of this vulnerability differs from MITRE.
Do you need more information?
Contact Us
CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Expected Behavior Violation
EPSS
Base Score:
0.02