RADIUS Protocol under RFC2865 is vulnerable to forgery attacks.
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 31 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.
Summary
RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (Access-Accept, Access-Reject, or Access-Challenge) to any other response using a chosen-prefix collision attack against MD5 Response Authenticator signature.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IETF | RFC | 2865 | — | No fix listed | CNA |
- RFC VendorIETF Affected 2865 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:* | before 3.0.27 | Vulnerable | freeradius |
| cpe:2.3:a:broadcom:brocade_sannav:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Broadcom |
| cpe:2.3:o:broadcom:fabric_operating_system:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Broadcom |
| cpe:2.3:o:sonicwall:sonicos:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SonicWall |
- cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:* Versions before 3.0.27 Vulnerable ·freeradius
- cpe:2.3:a:broadcom:brocade_sannav:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Broadcom
- cpe:2.3:o:broadcom:fabric_operating_system:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Broadcom
- cpe:2.3:o:sonicwall:sonicos:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SonicWall
Remediation
Red Hat 20 advisories
- RHSA-2024:10852 Released 2024-12-05 · Red Hat rating ImportantRHOAI 2.16.0 - Red Hat OpenShift AI
- Red Hat OpenShift AI 2.16 registry.redhat.io/rhoai/odh-dashboard-rhel8, registry.redhat.io/rhoai/odh-data-science-pipelines-argo-argoexec-rhel8, registry.redhat.io/rhoai/odh-data-science-pipelines-argo-workflowcontroller-rhel8 +4
- RHSA-2024:9547 Released 2024-11-13 · Red Hat rating Importantkrb5 security update
- Red Hat Enterprise Linux AppStream EUS (v.9.4) krb5-devel-1.21.1-2.el9_4.1
- Red Hat Enterprise Linux BaseOS EUS (v.9.4) krb5-1.21.1-2.el9_4.1, krb5-libs-1.21.1-2.el9_4.1, krb5-pkinit-1.21.1-2.el9_4.1 +4
- RHSA-2024:9474 Released 2024-11-12 · Red Hat rating Importantkrb5 security update
- Red Hat Enterprise Linux AppStream (v. 9) krb5-devel-1.21.1-4.el9_5
- Red Hat Enterprise Linux BaseOS (v. 9) krb5-1.21.1-4.el9_5, krb5-libs-1.21.1-4.el9_5, krb5-pkinit-1.21.1-4.el9_5 +4
Show 17 more Red Hat advisories
- RHSA-2024:8860 Released 2024-11-05 · Red Hat rating Importantkrb5 security update
- Red Hat Enterprise Linux BaseOS (v. 8) krb5-1.18.2-30.el8_10, krb5-devel-1.18.2-30.el8_10, krb5-libs-1.18.2-30.el8_10 +5
- RHSA-2024:8792 Released 2024-11-04 · Red Hat rating Importantkrb5 security update
- Red Hat Enterprise Linux BaseOS EUS (v.8.8) krb5-1.18.2-26.el8_8.3, krb5-devel-1.18.2-26.el8_8.3, krb5-libs-1.18.2-26.el8_8.3 +5
- RHSA-2024:8794 Released 2024-11-04 · Red Hat rating Importantkrb5 security update
- Red Hat Enterprise Linux BaseOS AUS (v.8.6) krb5-1.18.2-16.el8_6.2, krb5-devel-1.18.2-16.el8_6.2, krb5-libs-1.18.2-16.el8_6.2 +5
- Red Hat Enterprise Linux BaseOS E4S (v.8.6) krb5-1.18.2-16.el8_6.2, krb5-devel-1.18.2-16.el8_6.2, krb5-libs-1.18.2-16.el8_6.2 +5
- Red Hat Enterprise Linux BaseOS TUS (v.8.6) krb5-1.18.2-16.el8_6.2, krb5-devel-1.18.2-16.el8_6.2, krb5-libs-1.18.2-16.el8_6.2 +5
- RHSA-2024:8788 Released 2024-11-04 · Red Hat rating Importantkrb5 security update
- Red Hat Enterprise Linux Server (v. 7 ELS) krb5-1.15.1-55.el7_9.3, krb5-devel-1.15.1-55.el7_9.3, krb5-devel-1.15.1-55.el7_9.3.ppc +8
- RHSA-2024:8791 Released 2024-11-04 · Red Hat rating Importantkrb5 security update
- Red Hat Enterprise Linux BaseOS AUS (v.8.4) krb5-1.18.2-9.el8_4.2, krb5-devel-1.18.2-9.el8_4.2, krb5-libs-1.18.2-9.el8_4.2 +5
- Red Hat Enterprise Linux BaseOS E4S (v.8.4) krb5-1.18.2-9.el8_4.2, krb5-devel-1.18.2-9.el8_4.2, krb5-libs-1.18.2-9.el8_4.2 +5
- Red Hat Enterprise Linux BaseOS TUS (v.8.4) krb5-1.18.2-9.el8_4.2, krb5-devel-1.18.2-9.el8_4.2, krb5-libs-1.18.2-9.el8_4.2 +5
- RHSA-2024:8789 Released 2024-11-04 · Red Hat rating Importantkrb5 security update
- Red Hat Enterprise Linux BaseOS AUS (v. 8.2) krb5-1.17-19.el8_2.2, krb5-devel-1.17-19.el8_2.2, krb5-libs-1.17-19.el8_2.2 +5
- RHSA-2024:8577 Released 2024-10-29 · Red Hat rating Importantkrb5 security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) krb5-devel-1.19.1-16.el9_0.2
- Red Hat Enterprise Linux BaseOS E4S (v.9.0) krb5-1.19.1-16.el9_0.2, krb5-libs-1.19.1-16.el9_0.2, krb5-pkinit-1.19.1-16.el9_0.2 +4
- RHSA-2024:8461 Released 2024-10-24 · Red Hat rating Importantkrb5 security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) krb5-devel-1.20.1-9.el9_2.2
- Red Hat Enterprise Linux BaseOS EUS (v.9.2) krb5-1.20.1-9.el9_2.2, krb5-libs-1.20.1-9.el9_2.2, krb5-pkinit-1.20.1-9.el9_2.2 +4
- RHSA-2024:4935 Released 2024-07-31 · Red Hat rating Importantfreeradius security update
- Red Hat Enterprise Linux AppStream (v. 9) freeradius-3.0.21-40.el9_4, freeradius-devel-3.0.21-40.el9_4, freeradius-doc-3.0.21-40.el9_4 +4
- Red Hat Enterprise Linux CRB (v. 9) freeradius-mysql-3.0.21-40.el9_4, freeradius-perl-3.0.21-40.el9_4, freeradius-postgresql-3.0.21-40.el9_4 +3
- RHSA-2024:4936 Released 2024-07-31 · Red Hat rating Importantfreeradius:3.0 security update
- Red Hat Enterprise Linux AppStream (v. 8) freeradius-3.0.20-15.module+el8.10.0+22065+aa3d48ca.aarch64::freeradius:3.0, freeradius-3.0.20-15.module+el8.10.0+22065+aa3d48ca.ppc64le::freeradius:3.0, freeradius-3.0.20-15.module+el8.10.0+22065+aa3d48ca.s390x::freeradius:3.0 +47
- RHSA-2024:4911 Released 2024-07-30 · Red Hat rating Importantfreeradius security update
- Red Hat Enterprise Linux Server (v. 7 ELS) freeradius-3.0.20-1.el7_9.1
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) freeradius-devel-3.0.20-1.el7_9.1, freeradius-devel-3.0.20-1.el7_9.1.ppc, freeradius-doc-3.0.20-1.el7_9.1 +9
- RHSA-2024:4912 Released 2024-07-30 · Red Hat rating Importantfreeradius security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) freeradius-3.0.21-26.el9_0.1, freeradius-devel-3.0.21-26.el9_0.1, freeradius-doc-3.0.21-26.el9_0.1 +4
- RHSA-2024:4913 Released 2024-07-30 · Red Hat rating Importantfreeradius:3.0 security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) freeradius-3.0.20-1.module+el8.2.0+22148+b45f7ef2.1.src::freeradius:3.0, freeradius-3.0.20-1.module+el8.2.0+22148+b45f7ef2.1.x86_64::freeradius:3.0, freeradius-devel-3.0.20-1.module+el8.2.0+22148+b45f7ef2.1.x86_64::freeradius:3.0 +10
- RHSA-2024:4874 Released 2024-07-25 · Red Hat rating Importantfreeradius:3.0 security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) freeradius-3.0.20-4.module+el8.4.0+22088+2692c5cc.1.src::freeradius:3.0, freeradius-3.0.20-4.module+el8.4.0+22088+2692c5cc.1.x86_64::freeradius:3.0, freeradius-devel-3.0.20-4.module+el8.4.0+22088+2692c5cc.1.x86_64::freeradius:3.0 +11
- Red Hat Enterprise Linux AppStream E4S (v.8.4) freeradius-3.0.20-4.module+el8.4.0+22088+2692c5cc.1.ppc64le::freeradius:3.0, freeradius-3.0.20-4.module+el8.4.0+22088+2692c5cc.1.src::freeradius:3.0, freeradius-3.0.20-4.module+el8.4.0+22088+2692c5cc.1.x86_64::freeradius:3.0 +24
- Red Hat Enterprise Linux AppStream TUS (v.8.4) freeradius-3.0.20-4.module+el8.4.0+22088+2692c5cc.1.src::freeradius:3.0, freeradius-3.0.20-4.module+el8.4.0+22088+2692c5cc.1.x86_64::freeradius:3.0, freeradius-devel-3.0.20-4.module+el8.4.0+22088+2692c5cc.1.x86_64::freeradius:3.0 +11
- RHSA-2024:4829 Released 2024-07-24 · Red Hat rating Importantfreeradius:3.0 security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) freeradius-3.0.20-14.module+el8.8.0+22090+a01d0e6a.1.aarch64::freeradius:3.0, freeradius-3.0.20-14.module+el8.8.0+22090+a01d0e6a.1.ppc64le::freeradius:3.0, freeradius-3.0.20-14.module+el8.8.0+22090+a01d0e6a.1.s390x::freeradius:3.0 +47
- RHSA-2024:4826 Released 2024-07-24 · Red Hat rating Importantfreeradius:3.0 security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) freeradius-3.0.20-12.module+el8.6.0+22086+569c8c49.1.src::freeradius:3.0, freeradius-3.0.20-12.module+el8.6.0+22086+569c8c49.1.x86_64::freeradius:3.0, freeradius-devel-3.0.20-12.module+el8.6.0+22086+569c8c49.1.x86_64::freeradius:3.0 +11
- Red Hat Enterprise Linux AppStream E4S (v.8.6) freeradius-3.0.20-12.module+el8.6.0+22086+569c8c49.1.aarch64::freeradius:3.0, freeradius-3.0.20-12.module+el8.6.0+22086+569c8c49.1.ppc64le::freeradius:3.0, freeradius-3.0.20-12.module+el8.6.0+22086+569c8c49.1.s390x::freeradius:3.0 +47
- Red Hat Enterprise Linux AppStream TUS (v.8.6) freeradius-3.0.20-12.module+el8.6.0+22086+569c8c49.1.src::freeradius:3.0, freeradius-3.0.20-12.module+el8.6.0+22086+569c8c49.1.x86_64::freeradius:3.0, freeradius-devel-3.0.20-12.module+el8.6.0+22086+569c8c49.1.x86_64::freeradius:3.0 +11
- RHSA-2024:4828 Released 2024-07-24 · Red Hat rating Importantfreeradius security update
- Red Hat CodeReady Linux Builder EUS (v.9.2) freeradius-mysql-3.0.21-38.el9_2.2, freeradius-perl-3.0.21-38.el9_2.2, freeradius-postgresql-3.0.21-38.el9_2.2 +3
- Red Hat Enterprise Linux AppStream EUS (v.9.2) freeradius-3.0.21-38.el9_2.2, freeradius-devel-3.0.21-38.el9_2.2, freeradius-doc-3.0.21-38.el9_2.2 +4
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat CodeReady Linux Builder EUS (v.9.2) | Fixed | RHSA-2024:4828 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2024:4936 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:4935, RHSA-2024:9474 |
| Red Hat Enterprise Linux AppStream AUS (v. 8.2) | Fixed | RHSA-2024:4913 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2024:4874 |
| Red Hat Enterprise Linux AppStream AUS (v.8.6) | Fixed | RHSA-2024:4826 |
| Red Hat Enterprise Linux AppStream E4S (v.8.4) | Fixed | RHSA-2024:4874 |
| Red Hat Enterprise Linux AppStream E4S (v.8.6) | Fixed | RHSA-2024:4826 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2024:4912, RHSA-2024:8577 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2024:4829 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:4828, RHSA-2024:8461 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2024:9547 |
| Red Hat Enterprise Linux AppStream TUS (v.8.4) | Fixed | RHSA-2024:4874 |
| Red Hat Enterprise Linux AppStream TUS (v.8.6) | Fixed | RHSA-2024:4826 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:8860 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:9474 |
| Red Hat Enterprise Linux BaseOS AUS (v. 8.2) | Fixed | RHSA-2024:8789 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.4) | Fixed | RHSA-2024:8791 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.6) | Fixed | RHSA-2024:8794 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.4) | Fixed | RHSA-2024:8791 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.6) | Fixed | RHSA-2024:8794 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.0) | Fixed | RHSA-2024:8577 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.8) | Fixed | RHSA-2024:8792 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.2) | Fixed | RHSA-2024:8461 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.4) | Fixed | RHSA-2024:9547 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.4) | Fixed | RHSA-2024:8791 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.6) | Fixed | RHSA-2024:8794 |
| Red Hat Enterprise Linux CRB (v. 9) | Fixed | RHSA-2024:4935 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2024:4911, RHSA-2024:8788 |
| Red Hat Enterprise Linux Server Optional (v. 7 ELS) | Fixed | RHSA-2024:4911 |
| Red Hat OpenShift AI 2.16 | Fixed | RHSA-2024:10852 |
Not affected: 1 product
- Red Hat OpenShift AI 2.16
Timeline
- 2026-10-02 Threatist record created from CVE-2024-3596
- 2026-10-03 Alias added: GHSA-3g8x-wqfp-q876
References
Advisory 6
- https://networkradius.com/assets/pdf/radius_and_md5_collisions.pdf
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0014
- Siemens Security Advisory by Siemens ProductCERT for SIPROTEC, SICAM and related product
- Siemens Security Advisory by Siemens ProductCERT to SCALANCE, RUGGEDCOM and related products.
- https://security.netapp.com/advisory/ntap-20240822-0001/
- https://today.ucsd.edu/story/computer-scientists-discover-vulnerabilities-in-a-popular-security-protocol
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Sources
- CVE-2024-3596 · CVE Program
- CVE-2024-3596 · NVD
- FIRST EPSS
- GHSA-3g8x-wqfp-q876 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-3596 · 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