Is CVE-2023-4785 in the CISA KEV catalog?

No. CVE-2023-4785 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-4785?

CVE-2023-4785 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-4785?

CVE-2023-4785 has an EPSS score of 0.67% (47th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-4785?

Upgrade candlepin on rocky 8 to 0:4.3.11-1.el8sat or later. Fixes are available for 82 affected products.

CVE & CISA-KEV Catalog

CVE-2023-4785

HIGH

7.5

CVSS v3

NVD

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.

CWE-248

How to fix

Remediation Available

candlepinRocky

Fixed in:0:4.3.11-1.el8satRHSA-2024:0797

candlepinRed Hat / RHEL

Fixed in:0:4.3.11-1.el8satRHSA-2024:0797

candlepin-selinuxRocky

Fixed in:0:4.3.11-1.el8satRHSA-2024:0797

candlepin-selinuxRed Hat / RHEL

Fixed in:0:4.3.11-1.el8satRHSA-2024:0797

foremanRed Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foremanRocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-cliRocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-cliRed Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-debugRed Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-debugRocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-dynflow-sidekiqRed Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-dynflow-sidekiqRocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-ec2Red Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-ec2Rocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-installerRed Hat / RHEL

Fixed in:1:3.7.0.7-1.el8satRHSA-2024:0797

foreman-installerRocky

Fixed in:1:3.7.0.7-1.el8satRHSA-2024:0797

foreman-installer-katelloRocky

Fixed in:1:3.7.0.7-1.el8satRHSA-2024:0797

foreman-installer-katelloRed Hat / RHEL

Fixed in:1:3.7.0.7-1.el8satRHSA-2024:0797

foreman-journaldRed Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-journaldRocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-libvirtRocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-libvirtRed Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-openstackRocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-openstackRed Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-ovirtRocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-ovirtRed Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-postgresqlRocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-postgresqlRed Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-redisRed Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-redisRocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-serviceRed Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-serviceRocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-telemetryRed Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-telemetryRocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-vmwareRed Hat / RHEL

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

foreman-vmwareRocky

Fixed in:0:3.7.0.11-2.el8satRHSA-2024:0797

mosquittoRocky

Fixed in:0:2.0.17-1.el8satRHSA-2024:0797

mosquittoRed Hat / RHEL

Fixed in:0:2.0.17-1.el8satRHSA-2024:0797

mosquitto-debuginfoRocky

Fixed in:0:2.0.17-1.el8satRHSA-2024:0797

mosquitto-debuginfoRed Hat / RHEL

Fixed in:0:2.0.17-1.el8satRHSA-2024:0797

mosquitto-debugsourceRed Hat / RHEL

Fixed in:0:2.0.17-1.el8satRHSA-2024:0797

mosquitto-debugsourceRocky

Fixed in:0:2.0.17-1.el8satRHSA-2024:0797

puppet-agentRocky

Fixed in:0:7.27.0-1.el8satRHSA-2024:0797

puppet-agentRed Hat / RHEL

Fixed in:0:7.27.0-1.el8satRHSA-2024:0797

puppetserverRed Hat / RHEL

Fixed in:0:7.14.0-1.el8satRHSA-2024:0797

puppetserverRocky

Fixed in:0:7.14.0-1.el8satRHSA-2024:0797

python-pulp-containerRocky

Fixed in:0:2.14.11-1.el8pcRHSA-2024:0797

python-pulp-containerRed Hat / RHEL

Fixed in:0:2.14.11-1.el8pcRHSA-2024:0797

python39-pulp-containerRed Hat / RHEL

Fixed in:0:2.14.11-1.el8pcRHSA-2024:0797

python39-pulp-containerRocky

Fixed in:0:2.14.11-1.el8pcRHSA-2024:0797

rubygem-foreman_bootdiskRed Hat / RHEL

Fixed in:0:21.2.1-1.el8satRHSA-2024:0797

rubygem-foreman_bootdiskRocky

Fixed in:0:21.2.1-1.el8satRHSA-2024:0797

rubygem-google-protobufRocky

Fixed in:0:3.24.3-1.el8satRHSA-2024:0797

rubygem-google-protobufRed Hat / RHEL

Fixed in:0:3.24.3-1.el8satRHSA-2024:0797

rubygem-google-protobuf-debuginfoRocky

Fixed in:0:3.24.3-1.el8satRHSA-2024:0797

rubygem-google-protobuf-debuginfoRed Hat / RHEL

Fixed in:0:3.24.3-1.el8satRHSA-2024:0797

rubygem-google-protobuf-debugsourceRed Hat / RHEL

Fixed in:0:3.24.3-1.el8satRHSA-2024:0797

rubygem-google-protobuf-debugsourceRocky

Fixed in:0:3.24.3-1.el8satRHSA-2024:0797

rubygem-grpcRed Hat / RHEL

Fixed in:0:1.58.0-1.el8satRHSA-2024:0797

rubygem-grpcRocky

Fixed in:0:1.58.0-1.el8satRHSA-2024:0797

rubygem-kafoRed Hat / RHEL

Fixed in:0:7.2.0-1.el8satRHSA-2024:0797

rubygem-kafoRocky

Fixed in:0:7.2.0-1.el8satRHSA-2024:0797

rubygem-katelloRocky

Fixed in:0:4.9.0.21-1.el8satRHSA-2024:0797

rubygem-katelloRed Hat / RHEL

Fixed in:0:4.9.0.21-1.el8satRHSA-2024:0797

rubygem-pumaRocky

Fixed in:0:6.3.1-1.el8satRHSA-2024:0797

rubygem-pumaRed Hat / RHEL

Fixed in:0:6.3.1-1.el8satRHSA-2024:0797

rubygem-puma-debuginfoRed Hat / RHEL

Fixed in:0:6.3.1-1.el8satRHSA-2024:0797

rubygem-puma-debuginfoRocky

Fixed in:0:6.3.1-1.el8satRHSA-2024:0797

rubygem-puma-debugsourceRocky

Fixed in:0:6.3.1-1.el8satRHSA-2024:0797

rubygem-puma-debugsourceRed Hat / RHEL

Fixed in:0:6.3.1-1.el8satRHSA-2024:0797

rubygem-sidekiqRed Hat / RHEL

Fixed in:0:6.5.12-1.el8satRHSA-2024:0797

rubygem-sidekiqRocky

Fixed in:0:6.5.12-1.el8satRHSA-2024:0797

satelliteRed Hat / RHEL

Fixed in:0:6.14.2-1.el8satRHSA-2024:0797

satelliteRocky

Fixed in:0:6.14.2-1.el8satRHSA-2024:0797

satellite-capsuleRocky

Fixed in:0:6.14.2-1.el8satRHSA-2024:0797

satellite-capsuleRed Hat / RHEL

Fixed in:0:6.14.2-1.el8satRHSA-2024:0797

satellite-cliRed Hat / RHEL

Fixed in:0:6.14.2-1.el8satRHSA-2024:0797

satellite-cliRocky

Fixed in:0:6.14.2-1.el8satRHSA-2024:0797

satellite-commonRed Hat / RHEL

Fixed in:0:6.14.2-1.el8satRHSA-2024:0797

satellite-commonRocky

Fixed in:0:6.14.2-1.el8satRHSA-2024:0797

satellite-convert2rhel-toolkitRocky

Fixed in:0:1.0.1-1.el8satRHSA-2024:0797

satellite-convert2rhel-toolkitRed Hat / RHEL

Fixed in:0:1.0.1-1.el8satRHSA-2024:0797

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.67%probability of exploitation in 30 days

47thpercentile

Moderate risk: more likely to be exploited than 47% of all known CVEs.

References

Patch1

github.com

Issue Tracking4

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-12.