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CVE-2019-17185

25
FAUCET Score

CVE-2019-17185 is a Denial-of-Service (DoS) vulnerability affecting FreeRADIUS versions 3.0.x before 3.0.20, including specific OpenSUSE and Leap distributions. The flaw stems from the EAP-pwd module's concurrent use of a global OpenSSL BN_CTX instance, leading to crashes when multiple EAP-pwd handshakes are initiated simultaneously. Rated 7.5 HIGH on CVSS, this vulnerability can be exploited remotely with low attack complexity, resulting in a complete loss of availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.0.0, < 3.0.20CPE matchmatch criteria
cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.17%
Probability of exploitation in next 30 days
EPSS Percentile
80.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0217 is in the 65th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: freeradius-0:3.0.13-15.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: freeradius:3.0-8030020200806223029.1e4bbb35
View patch

Vendor Advisories (1)

redhatCVE-2019-17185Moderate

freeradius: eap-pwd: DoS issues due to multithreaded BN_CTX access

Nov 14, 2019

References

lists.opensuse.org / opensuse-security-announce/2020-04/msg00039.html
Mailing ListThird Party Advisory
freeradius.org / security
Vendor Advisory
github.com / FreeRADIUS/freeradius-server/releases/tag/release_3_0_20
Release NotesThird Party Advisory