Public proof of conceptFix available

CVE-2024-3596

Q: Is CVE-2024-3596 actively exploited?

Active exploitation of CVE-2024-3596 has not been confirmed. Its EPSS score was 14.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2024-3596?

CVE-2024-3596 has a CVSS v3 base score of 9 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2024-07-09
WeaknessCWE-354 · CWE-924

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2024-07-0912:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-3596?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-3596?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Broadcom brocade sannav

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Broadcom fabric operating system

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Freeradius

Branch	Affected	Fixed in	Source
3.0	< 3.0.27	3.0.27	NVD

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-26-160-01 CISA3 known affected
Schneider Electric Modicon Network Managed Switches
Connexium Managed Switches All Versions · Modicon Managed Switches All Versions · Modicon Redundancy Switches All Versions
ICSA-26-036-05 CISA2 known affected
Hitachi Energy XMC20
XMC20 version R18 · XMC20 version R17A and earlier
ICSA-26-036-06 CISA2 known affected
Hitachi Energy FOX61x
FOX61x version R18 · FOX61x version R17A and earlier
ICSA-25-350-03 CISA11 known affected
Hitachi Energy AFS, AFR and AFF Series
Hitachi Energy AFS 660-B/C/S: vers:all/* · Hitachi Energy AFS 665-B/S: vers:all/* · Hitachi Energy AFS 670 v2.0: vers:all/* · +8 more
ICSA-25-135-05 CISA53 known affected
Siemens SIPROTEC and SICAM
CPC80 Central Processing/Communication · CPCI85 Central Processing/Communication · POWER METER SICAM Q100 family · +50 more
RHSA-2024:10852 Red Hat Product Security1 product fixed
Red Hat Security Advisory: RHOAI 2.16.0 - Red Hat OpenShift AI

1 more advisory

Full record on NVD

Fix

Vendor fix CISA ICSA-26-036-05 · 1 productUpdate to XMC20 R18 and then enable the RADIUS Message-Authenticator option in both the XMC20 and RADIUS server configurations. Refer to the Technical User Documentation at https://publisher.hitachienergy.com/preview?DocumentID=1KHW029001&LanguageCode=en&DocumentPartId=R18&Action=launch.
Vendor fix CISA ICSA-26-036-06 · 1 productUpdate to FOX61x R18, then enable the RADIUS Message-Authenticator option in both the FOX61x and RADIUS Server configurations. Refer to the Technical User Documentation at https://publisher.hitachienergy.com/preview?DocumentID=1KHW029042&LanguageCode=en&DocumentPartId=R18&Action=launch.
Vendor fix CISA ICSA-25-350-03 · 6 productsAFR 677, AFS 650, AFS 655, AFS 670, AFS 675, AFS 677: Command to enable Message Authenticator option: For AFS65x, AFS67x, AFR67x CLI: radius server msgauth MIB: hmAgentRadiusServerMsgAuth
Vendor fix CISA ICSA-25-350-03 · 5 productsAFF 660, AFF 665, AFS 660-B/C/S, AFS 665-B/S, AFS 670: Command to enable Message Authenticator option: For AFS66x, AFS670 v2.0, AFF66x CLI: radius server auth modify msgauth MIB: hm2AgentRadiusServerMsgAuth
Vendor fix CISA ICSA-25-135-05 · 36 productsUpdate to V10.0 or later version
Vendor fix CISA ICSA-25-135-05 · 1 productUpdate to V16.51 or later version

Detection

read 2026-10-23 19:24 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedalperenugurlu/CVE-2024-3596-Detector

Sources

CISA-ADPSSVC decisionnone2024-07-11
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.192024-07-24
NVDCVSS 3.19read 2026-10-23
NVDweakness (CWE)CWE-354, CWE-924read 2026-10-23
FIRST EPSSEPSS score14.9 %read 2026-10-23
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Published: 2024-07-09
Last Modified: 2026-10-15
NVD status: Modified

Frequently asked questions

What is CVE-2024-3596?

Is CVE-2024-3596 actively exploited?

Active exploitation of CVE-2024-3596 has not been confirmed. Its EPSS score was 14.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-3596?

CVE-2024-3596 has a CVSS v3 base score of 9 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this product CISA KEV additions, October 2026 Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
Running this software? Vulnerability monitoring alerts you to new vulnerabilities in your products.

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database