Is CVE-2019-11235 in the CISA KEV catalog?

No. CVE-2019-11235 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-11235?

CVE-2019-11235 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-11235?

CVE-2019-11235 has an EPSS score of 3.57% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-11235?

Upgrade freeradius on debian 11 to 3.0.17+dfsg-1.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2019-11235

CRITICALEPSS 88th pctl

9.8

CVSS v3

NVD

Description

FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve being used" protection mechanism, aka a "Dragonblood" issue, a similar issue to CVE-2019-9498 and CVE-2019-9499.

CWE-345

How to fix

Remediation Available

freeradiusDebian

Fixed in:3.0.17+dfsg-1.1CVE-2019-11235

freeradiusUbuntu

Fixed in:3.0.16+dfsg-1ubuntu3.1USN-3954-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.57%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Patch1

bugzilla.redhat.com

Vendor Advisory2

Third-Party Advisory5

Other references3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.