CVE-2019-11234: canonical ubuntu_linux Improper Authentication
CVSS: 9.8v3.0CriticalModified
AliasesALPINE-CVE-2019-11234UBUNTU-CVE-2019-11234DEBIAN-CVE-2019-11234
Published 21-04-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-11234 is a critical (CVSS 9.8) Improper Authentication vulnerability in canonical ubuntu_linux. EPSS estimates a 7.62% chance of exploitation in the next 30 days, higher than 94.5% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
7.62%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 10 · Related 7Timeline
- 21-04-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
5 scores · 4 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
7.62%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 7.62% on 19-09-2026
19-09-202619-10-2026
EPSS score7.62%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- freeradius< 3.0.19-r0 | < 3.0.13-r3 | < 3.0.15-r4 | < 3.0.17-r3 | < 3.0.17-r5
Canonical1 product
- ubuntu_linuxEOL18.04 | 18.10 | 19.04
Debian1 product
- freeradius< 3.0.17+dfsg-1.1
Freeradius1 product
- freeradius< 3.0.19
Redhat1 product
- enterprise_linuxEOL7.0
Ubuntu1 product
- freeradius< 3.0.16+dfsg-1ubuntu3.1
6 vendors · 6 products
References
18 links- www.kb.cert.org/vuls/id/871675/X Refsource MISCNot ApplicableThird Party AdvisoryUS Government Resource
