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CVE-2019-11235

31
FAUCET Score

CVE-2019-11235 is a critical vulnerability in FreeRADIUS before version 3.0.19, affecting products from Canonical, Fedora, openSUSE, and Red Hat. This "Dragonblood" issue stems from improper validation of received scalar and group elements, similar to CVE-2019-9498 and CVE-2019-9499. With a CVSS score of 9.8, it allows unauthenticated attackers to achieve high confidentiality, integrity, and availability impacts over the network with low attack complexity. While no public exploit code (Metasploit, Nuclei, ExploitDB) or active exploitation (KEV) has been observed, and community discussion is minimal, its high FAUCET Risk Score of 85/100 indicates significant potential risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.0.19CPE matchmatch criteria
cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
7.6CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.57%
Probability of exploitation in next 30 days
EPSS Percentile
88.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0357 is in the 81st percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: freeradius-0:3.0.13-10.el7_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: freeradius:3.0-8000020190425181943.75ec4169
View patch

Vendor Advisories (1)

redhatCVE-2019-11235Important

freeradius: eap-pwd: authentication bypass via an invalid curve attack

Apr 10, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-05/msg00014.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-05/msg00032.html
lists.opensuse.org / opensuse-security-announce/2020-04/msg00033.html
access.redhat.com / errata/RHSA-2019:1131
Third Party Advisory
access.redhat.com / errata/RHSA-2019:1142
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
freeradius.org / release_notes
Release NotesVendor Advisory
freeradius.org / security
Vendor Advisory
papers.mathyvanhoef.com / dragonblood.pdf
Technical DescriptionThird Party Advisory
usn.ubuntu.com / 3954-1
Third Party Advisory
kb.cert.org / vuls/id/871675
Not ApplicableThird Party AdvisoryUS Government Resource