FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing…
Priority MEDIUM 52CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-287.
Summary
FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing, aka a "Dragonblood" issue, a similar issue to CVE-2019-9497.
Why it matters now
EPSS 0.07624 94th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:* | before 3.0.19 | Vulnerable | freeradius |
| cpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:* | all versions | Vulnerable | Fedoraproject |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 18.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* | 18.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* | 19.04 | Vulnerable | Canonical |
- cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:* Versions before 3.0.19 Vulnerable ·freeradius
- cpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Fedoraproject
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* Versions 18.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* Versions 19.04 Vulnerable ·Canonical
Remediation
Red Hat 2 advisories
- RHSA-2019:1142 Released 2019-05-13 · Red Hat rating Importantfreeradius:3.0 security update
- Red Hat Enterprise Linux AppStream (v. 8) freeradius-3.0.17-4.module+el8.0.0+3108+851cb559.aarch64::freeradius:3.0, freeradius-3.0.17-4.module+el8.0.0+3108+851cb559.ppc64le::freeradius:3.0, freeradius-3.0.17-4.module+el8.0.0+3108+851cb559.s390x::freeradius:3.0 +46
- RHSA-2019:1131 Released 2019-05-09 · Red Hat rating Importantfreeradius security update
- Red Hat Enterprise Linux Server (v. 7) freeradius-3.0.13-10.el7_6
- Red Hat Enterprise Linux Server Optional (v. 7) freeradius-devel-3.0.13-10.el7_6, freeradius-devel-3.0.13-10.el7_6.ppc, freeradius-doc-3.0.13-10.el7_6 +9
- Red Hat Enterprise Linux Workstation (v. 7) freeradius-3.0.13-10.el7_6
- Red Hat Enterprise Linux Workstation Optional (v. 7) freeradius-devel-3.0.13-10.el7_6, freeradius-doc-3.0.13-10.el7_6, freeradius-krb5-3.0.13-10.el7_6 +8
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) freeradius-3.0.13-10.el7_6
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) freeradius-devel-3.0.13-10.el7_6, freeradius-doc-3.0.13-10.el7_6, freeradius-krb5-3.0.13-10.el7_6 +8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2019:1142 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2019:1131 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2019:1131 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2019:1131 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2019:1131 |
| Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) | Fixed | RHSA-2019:1131 |
| Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) | Fixed | RHSA-2019:1131 |
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2019-11234
- 2026-10-03 Alias added: GHSA-vwq6-jpj7-xqvx
References
Advisory 11
- https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19
- https://papers.mathyvanhoef.com/dragonblood.pdf
- https://www.kb.cert.org/vuls/id/871675/
- https://freeradius.org/security/
- https://bugzilla.redhat.com/show_bug.cgi?id=1695783
- USN-3954-1
- openSUSE-SU-2019:1346
- RHSA-2019:1131
- RHSA-2019:1142
- openSUSE-SU-2019:1394
- openSUSE-SU-2020:0542
Sources
- CVE-2019-11234 · CVE Program
- CVE-2019-11234 · NVD
- FIRST EPSS
- GHSA-vwq6-jpj7-xqvx · GitHub Advisory Database · CC BY 4.0
- CVE-2019-11234 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences