CVE-2023-2974

Quarkus-core: tls protocol configured with quarkus.http.ssl.protocols is not enforced, client can enforce weaker supported tls protocol

6.5 MediumFix available

A vulnerability was found in quarkus-core. This vulnerability occurs because the TLS protocol configured with quarkus.http.ssl.protocols is not enforced, and the client can force the selection of the weaker supported TLS protocol.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.88%Up 0.8 points since Jul 5, 2023

What each source reports

CVE List Score used 6.5

Quarkus-core: tls protocol configured with quarkus.http.ssl.protocols is not enforced, client can enforce weaker supported tls protocol

Record: CVE-2023-2974
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-757
Updated: 2026-11-02

EUVDEUVD-2023-1937 6.5

Record: EUVD-2023-1937
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-3fhx-3vvg-2j84 6.5

quarkus-core vulnerable to client driven TLS cipher downgrading

Record: GHSA-3fhx-3vvg-2j84
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

NVD 6.5

Record: CVE-2023-2974
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-757
Updated: 2026-11-02

OSVGHSA-3fhx-3vvg-2j84 6.5

quarkus-core vulnerable to client driven TLS cipher downgrading

Record: GHSA-3fhx-3vvg-2j84
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`io.quarkus:quarkus-core` Maven	before 2.16.8.Final	2.16.8.Final
`io.quarkus:quarkus-core` Maven	before 2.16.8.Final, plus listed versions 0.11.00.12.00.13.00.13.10.13.2 Show 45 moreShow less 0.13.30.14.00.15.00.16.00.16.10.17.00.18.00.19.00.19.10.20.00.21.00.21.10.21.20.22.00.23.00.23.10.23.20.24.00.25.00.26.00.26.10.27.00.28.00.28.11.0.0.CR11.0.0.CR21.0.0.Final1.0.1.Final1.1.0.CR11.1.0.Final1.1.1.Final1.10.0.CR11.10.0.Final1.10.1.Final1.10.2.Final1.10.3.Final1.10.4.Final1.10.5.Final1.11.0.Beta11.11.0.Beta21.11.0.CR11.11.0.Final1.11.1.Final1.11.2.Final1.11.3.Final	2.16.8.Final

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-2974 is a medium vulnerability (CVSS 6.5) in Red Hat Build Of Quarkus 2.13.8.final, published July 4, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. Fixed in io.quarkus:quarkus-core 2.16.8.Final.

References

This page doesn't list everything

Left out here: 163 versions. The JSON record has them.