# Ca: token authentication bypass vulnerability

CVE record · `CVE-2023-4727`

- **Identifiers:** `CVE-2023-4727`
- **State:** Confirmed
- **Severity:** CVSS 7.5 High
- **Critical:** No
- **CNA:** redhat
- **Weakness (CWE):** [CWE-305](https://cwe.mitre.org/data/definitions/305.html)
- **Tags:** [CWE-305](https://agentprime.io/advisories/tag/cwe-305.md)
- **Technologies:** [Red Hat Certificate System 10.4 EUS for RHEL-8](https://agentprime.io/advisories/technology/red-hat-certificate-system-10-4-eus-for-rhel-8.md) · [Red Hat Enterprise Linux 7](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-7.md) · [Red Hat Enterprise Linux 8](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8.md) · [Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-4-advanced-mission-critical-update-support.md) · [Red Hat Enterprise Linux 8.4 Telecommunications Update Service](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-4-telecommunications-update-service.md) · [Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-4-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-6-advanced-mission-critical-update-support.md) · [Red Hat Enterprise Linux 8.6 Telecommunications Update Service](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-6-telecommunications-update-service.md) · [Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-6-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 8.8 Extended Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-8-extended-update-support.md) · [Red Hat Enterprise Linux 9](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9.md) · [Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-0-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 9.2 Extended Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-2-extended-update-support.md) · [Red Hat Enterprise Linux 6](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-6.md)
- **Published:** 11 Jun 2024
- **Updated:** 26 Jun 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: redhat) at 11 Jun 2024, 19:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Not given. Product: Not given.
  - affected: `before 11.5.1` (semver)
  - Other versions: unaffected
  - Package name: `keycloak`
  - Collection: `https://www.keycloak.org/`
- Vendor: Red Hat. Product: Red Hat Certificate System 10.4 EUS for RHEL-8.
  - unaffected: `8060020240529205458.07fb4edf to before *` (rpm)
  - Other versions: affected
  - Package name: `redhat-pki:10`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 7.
  - unaffected: `0:10.5.18-32.el7_9 to before *` (rpm)
  - Other versions: affected
  - Package name: `pki-core`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.
  - unaffected: `8100020240614102443.82f485b7 to before *` (rpm)
  - Other versions: affected
  - Package name: `pki-core:10.6`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support.
  - unaffected: `8040020240329193548.17df0a3f to before *` (rpm)
  - Other versions: affected
  - Package name: `pki-core:10.6`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.4 Telecommunications Update Service.
  - unaffected: `8040020240329193548.17df0a3f to before *` (rpm)
  - Other versions: affected
  - Package name: `pki-core:10.6`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions.
  - unaffected: `8040020240329193548.17df0a3f to before *` (rpm)
  - Other versions: affected
  - Package name: `pki-core:10.6`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support.
  - unaffected: `8060020240329182634.60523a7b to before *` (rpm)
  - Other versions: affected
  - Package name: `pki-core:10.6`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Telecommunications Update Service.
  - unaffected: `8060020240329182634.60523a7b to before *` (rpm)
  - Other versions: affected
  - Package name: `pki-core:10.6`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions.
  - unaffected: `8060020240329182634.60523a7b to before *` (rpm)
  - Other versions: affected
  - Package name: `pki-core:10.6`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.8 Extended Update Support.
  - unaffected: `8080020240329143735.693a3987 to before *` (rpm)
  - Other versions: affected
  - Package name: `pki-core:10.6`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 9.
  - unaffected: `0:11.5.0-2.el9_4 to before *` (rpm)
  - Other versions: affected
  - Package name: `pki-core`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions.
  - unaffected: `0:11.0.6-3.el9_0 to before *` (rpm)
  - Other versions: affected
  - Package name: `pki-core`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 9.2 Extended Update Support.
  - unaffected: `0:11.3.0-2.el9_2 to before *` (rpm)
  - Other versions: affected
  - Package name: `pki-core`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 6.
  - No versions given
  - Other versions: unknown
  - Package name: `pki-core`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 7.5 High, CVSS 3.1: `CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H`, from CNA (redhat)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0066, the 51st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 11 Jun 2024. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2023-4727](https://www.cve.org/CVERecord?id=CVE-2023-4727)
- [NVD: CVE-2023-4727](https://nvd.nist.gov/vuln/detail/CVE-2023-4727)

### References from the CNA

- <https://access.redhat.com/errata/RHSA-2024:4051> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2024:4070> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2024:4164> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2024:4165> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2024:4179> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2024:4222> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2024:4367> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2024:4403> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2024:4413> (vendor-advisory, redhat)
- <https://access.redhat.com/security/cve/CVE-2023-4727> (vdb-entry, redhat)
- <https://bugzilla.redhat.com/show_bug.cgi?id=2232218> (issue-tracking, redhat)
- <https://github.com/advisories/GHSA-rvm7-rc5g-c98q>
- <https://github.com/dogtagpki/pki/commit/54e5b3c5932ad634b5ddf5b1d4d88c9419d6f720>
- <https://github.com/dogtagpki/pki/commit/aa7161ba378caf5cf0471aafb679a842679c8388>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2023-4727>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2023-4727/>. Everything for agents: <https://agentprime.io/llms.txt>.
