GHSA-5h6x-m52p-23ph · Severity: high · Ecosystem: maven — Withdrawn Advisory: Improper Certificate Validation in Apache Qpid Proton
While investigating bug PROTON-2014, we discovered that under some circumstances Apache Qpid Proton versions 0.9 to 0.27.0 (C library and its language bindings) can connect to a peer anonymously using TLS *even when configured to verify the peer certificate* while used with OpenSSL versions before 1.1.0. This means that an undetected man in the middle attack could be constructed if an attacker can arrange to intercept TLS traffic.
Conclusion & alert: CVE-2019-0223 is rated Moderate Risk (62.1/100): CVSS High severity, with high exploitation likelihood (EPSS 6.20%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-07-07 | 6.15% | 6.20% | +0.05% |
| 2 | 2026-06-15 | 0.41% | 6.15% | +5.74% |
| 3 | 2025-12-14 | — | 0.41% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.4 | 3.1 | HIGH |
|
2.2 | 5.2 | [email protected] |
| 5.8 | 2.0 | MEDIUM |
|
8.6 | 4.9 | [email protected] |
GHSA-5h6x-m52p-23ph · Severity: high · Ecosystem: maven — Withdrawn Advisory: Improper Certificate Validation in Apache Qpid Proton
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2019-0223 not yet assigned priority: Debian including 1 source packages (qpid-proton), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2019-0223 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2019-0223 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2019-0223/ |
ubuntu
|
medium | CVE-2019-0223 medium priority: Ubuntu including 1 source packages (qpid-proton), 19 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 14, needs-triage 3, DNE 1, ignored 1. | https://ubuntu.com/security/CVE-2019-0223 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apache | qpid | >= 0.9, <= 0.27.0 | cpe:2.3:a:apache:qpid:*:*:*:*:*:*:*:* |
| redhat | jboss_amq_clients_2 | — | cpe:2.3:a:redhat:jboss_amq_clients_2:-:*:*:*:*:*:*:* |
| redhat | openstack | 13 | cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:* |
| redhat | openstack | 14 | cpe:2.3:a:redhat:openstack:14:*:*:*:*:*:*:* |
| redhat | satellite | 6.3 | cpe:2.3:a:redhat:satellite:6.3:*:*:*:*:*:*:* |
| redhat | satellite | 6.4 | cpe:2.3:a:redhat:satellite:6.4:*:*:*:*:*:*:* |
| redhat | satellite | 6.5 | cpe:2.3:a:redhat:satellite:6.5:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 6.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 7.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 6.7 | cpe:2.3:o:redhat:enterprise_linux_eus:6.7:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 7.2 | cpe:2.3:o:redhat:enterprise_linux_eus:7.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 7.3 | cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 7.4 | cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 7.5 | cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 6.0 | cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 7.0 | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 5.9 | cpe:2.3:o:redhat:enterprise_linux_server_aus:5.9:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 6.4 | cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 6.5 | cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 6.6 | cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.2 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.3 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.4 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 7.2 | cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 7.3 | cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 7.4 | cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 6.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 7.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |