# CVE-2023-4727: Ca: token authentication bypass vulnerability Status: published. Published: 2024-06-11. Updated: 2026-11-07. A flaw was found in dogtag-pki and pki-core. The token authentication scheme can be bypassed with a LDAP injection. By passing the query string parameter sessionID=*, an attacker can authenticate with an existing session saved in the LDAP directory server, which may lead to escalation of privilege. ## Remediation No remediation reported in collected sources ## Affected products and versions - / (keycloak): ≥ 0; < 11.5.1 (affected, semver). Source: CNA: redhat - Red Hat / Red Hat Certificate System 10.4 EUS for RHEL-8 (redhat-pki:10): ≥ 8060020240529205458.07fb4edf; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 7 (pki-core): ≥ 0:10.5.18-32.el7_9; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8 (pki-core:10.6): ≥ 8100020240614102443.82f485b7; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support (pki-core:10.6): ≥ 8040020240329193548.17df0a3f; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8.4 Telecommunications Update Service (pki-core:10.6): ≥ 8040020240329193548.17df0a3f; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions (pki-core:10.6): ≥ 8040020240329193548.17df0a3f; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support (pki-core:10.6): ≥ 8060020240329182634.60523a7b; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8.6 Telecommunications Update Service (pki-core:10.6): ≥ 8060020240329182634.60523a7b; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions (pki-core:10.6): ≥ 8060020240329182634.60523a7b; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8.8 Extended Update Support (pki-core:10.6): ≥ 8080020240329143735.693a3987; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 9 (pki-core): ≥ 0:11.5.0-2.el9_4; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions (pki-core): ≥ 0:11.0.6-3.el9_0; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 9.2 Extended Update Support (pki-core): ≥ 0:11.3.0-2.el9_2; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 6 (pki-core): Version range not reported. Source: CNA: redhat ## Severity and prioritization - CVSS 3.1: 7.5 (high); CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H; source: CNA: redhat - CISA KEV: No listing in collected sources - EPSS: 0.66% as of 2026-11-06; percentile 51.97% - SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP - Weaknesses: CWE-305 ## Exploit evidence No exploit evidence in collected sources. This is not proof of no exploitation. ## References - https://access.redhat.com/errata/RHSA-2024:4051 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2024:4070 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2024:4164 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2024:4165 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2024:4179 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2024:4222 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2024:4367 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2024:4403 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2024:4413 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/security/cve/CVE-2023-4727 (CNA: redhat; vdb-entry, x_refsource_REDHAT) - https://bugzilla.redhat.com/show_bug.cgi?id=2232218 (CNA: redhat; issue-tracking, x_refsource_REDHAT) - https://github.com/advisories/GHSA-rvm7-rc5g-c98q (CNA: redhat) - https://github.com/dogtagpki/pki/commit/54e5b3c5932ad634b5ddf5b1d4d88c9419d6f720 (CNA: redhat) - https://github.com/dogtagpki/pki/commit/aa7161ba378caf5cf0471aafb679a842679c8388 (CNA: redhat) - https://access.redhat.com/errata/RHSA-2024:4051 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/errata/RHSA-2024:4070 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/errata/RHSA-2024:4164 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/errata/RHSA-2024:4165 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/errata/RHSA-2024:4179 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/errata/RHSA-2024:4222 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/errata/RHSA-2024:4367 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/errata/RHSA-2024:4403 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/errata/RHSA-2024:4413 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/security/cve/CVE-2023-4727 (ADP: CVE; vdb-entry, x_refsource_REDHAT, x_transferred) - https://bugzilla.redhat.com/show_bug.cgi?id=2232218 (ADP: CVE; issue-tracking, x_refsource_REDHAT, x_transferred) ## Provenance - CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2023-4727; retrieved 2026-11-07; source updated 2026-11-07 - FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2023-4727; retrieved 2026-11-07; source updated Not reported Revision: 266b0a5ee435b5e10679586ad2af710276bae68d96bc90b2589f965fc611aeda Canonical: https://y2.dev/cve/CVE-2023-4727 ## Agent and API access Public CVE pages, Markdown, and JSON are free to read without an account or API key. - Public catalog: https://y2.dev/cve/index.json. 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