How severe is CVE-2024-3596?

CVE-2024-3596 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-3596 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-3596?

CVE-2024-3596 primarily affects Freeradius. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-3596?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-3596 have an EU (EUVD) identifier?

Yes. CVE-2024-3596 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32175.

When was CVE-2024-3596 published?

CVE-2024-3596 was published on 2024-07-09 and last updated on 2026-06-17.

CVE-2024-3596

CVE-2024-3596 is a critical-severity vulnerability in Freeradius with a CVSS 3.x base score of 9.0. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-354.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 15% (96th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-32175
Weakness: CWE-354
Affected product: Freeradius
Published: 2024-07-09
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2024-3596?: 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.
How severe is CVE-2024-3596?: CVE-2024-3596 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-3596 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-3596?: CVE-2024-3596 primarily affects Freeradius. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-3596?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-3596 have an EU (EUVD) identifier?: Yes. CVE-2024-3596 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32175.
When was CVE-2024-3596 published?: CVE-2024-3596 was published on 2024-07-09 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
cpe:2.3:a:broadcom:brocade_sannav:-:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:-:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sonicos:-:*:*:*:*:*:*:*

More vulnerabilities in Freeradius

CVE-2019-11235 — Critical (CVSS 9.8): FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that…
CVE-2019-11234 — Critical (CVSS 9.8): FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing, aka a "Dragonblood" issue, a…
CVE-2017-10984 — Critical (CVSS 9.8): An FR-GV-301 issue in FreeRADIUS 3.x before 3.0.15 allows "Write overflow in data2vp_wimax()" - this allows remote…
CVE-2017-10979 — Critical (CVSS 9.8): An FR-GV-202 issue in FreeRADIUS 2.x before 2.2.10 allows "Write overflow in rad_coalesce()" - this allows remote…
CVE-2017-9148 — Critical (CVSS 9.8): The TLS session cache in FreeRADIUS 2.1.1 through 2.1.7, 3.0.x before 3.0.14, 3.1.x before 2017-02-04, and 4.0.x before…
CVE-2015-8764 — High (CVSS 8.1): Off-by-one error in the EAP-PWD module in FreeRADIUS 3.0 through 3.0.8, which triggers a buffer overflow.

All CVEs affecting Freeradius →

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Browse all CWE-354 vulnerabilities →