Freeradius vulnerabilitiesNone on the known-exploited list.

Vendor
The short answer

Freeradius has 49 published vulnerabilities across 2 products in our catalogue. None of them is on the list of flaws known to be exploited today. The most affected product is Freeradius, with 48. If you run Freeradius software, patch the exploited flaws first.

See the exploited flaws

We keep watching the known-exploited list.

Products

Which Freeradius products have the most vulnerabilities?

Freeradius leads with 48 published vulnerabilities. Open a product to see its versions and which of its flaws criminals are already using.

  1. Freeradius48
  2. PAM Radius1
Published vulnerabilities
Known exploited

Which Freeradius vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Freeradius's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Freeradius flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 22%

    An FR-GV-202 issue in FreeRADIUS 2.x before 2.2.10 allows "Write overflow in rad_coalesce()" - this allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code.

    CVSS9.8Published17 Jul 2017
  2. 18%

    An FR-GV-301 issue in FreeRADIUS 3.x before 3.0.15 allows "Write overflow in data2vp_wimax()" - this allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code.

    CVSS9.8Published17 Jul 2017
  3. 15%

    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...

    CVSS9.0Published9 Jul 2024
  4. 11%

    The rad_decode function in FreeRADIUS before 1.1.8 allows remote attackers to cause a denial of service (radiusd crash) via zero-length Tunnel-Password attributes, as demonstrated by a certain module in VulnDisco...

    CVSS5.0Published9 Sep 2009
  5. 8.5%

    Buffer overflow in digest calculation function of multiple RADIUS implementations allows remote attackers to cause a denial of service and possibly execute arbitrary code via shared secret data.

    CVSS7.5Published4 Mar 2002
  6. 7.6%

    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.

    CVSS9.8Published22 Apr 2019
  7. 5.7%

    Stack-based buffer overflow in the cbtls_verify function in FreeRADIUS 2.1.10 through 2.1.12, when using TLS-based EAP methods, allows remote attackers to cause a denial of service (server crash) and possibly execute...

    CVSS6.8Published18 Sep 2012
  8. 5.4%

    Multiple RADIUS implementations do not properly validate the Vendor-Length of the Vendor-Specific attribute, which allows remote attackers to cause a denial of service (crash) via a Vendor-Length that is less than 2.

    CVSS5.0Published4 Mar 2002
  9. 4.6%

    rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) via a short RADIUS string attribute with a tag, which causes memcpy to be called with a -1 length argument, as...

    CVSS5.0Published15 Dec 2003
  10. 4.4%

    Off-by-one error in the sql_error function in sql_unixodbc.c in FreeRADIUS 1.0.2.5-5, and possibly other versions including 1.0.4, might allow remote attackers to cause a denial of service (crash) and possibly...

    CVSS6.4Published31 Dec 2005
Every product

All Freeradius products we track.

2 products, most vulnerabilities first. Find the ones you run, then open a product to see its versions and exploited flaws.

EdgeProtect

Running Freeradius? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

Common questions, answered plainly.

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Our catalogue lists 49 published vulnerabilities across 2 products and 103 versions from Freeradius.

None of Freeradius's vulnerabilities is on the list of flaws known to be exploited today.

Freeradius, with 48 published vulnerabilities. Its own page lists the ones known to be exploited.

Create a EdgeProtect account and track the Freeradius products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook.