Is CVE-2019-16201 in the CISA KEV catalog?

No. CVE-2019-16201 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-16201?

CVE-2019-16201 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2019-16201?

CVE-2019-16201 has an EPSS score of 5.13% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-16201?

Upgrade jruby on debian 12 to 9.3.9.0+ds-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2019-16201

HIGHEPSS 91th pctl

7.5

CVSS v3

NVD

Description

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network.

CWE-287Improper Authentication

How to fix

Remediation Available

jrubyDebian

Fixed in:9.3.9.0+ds-1CVE-2019-16201

libruby2.3Ubuntu

Fixed in:2.3.1-2~ubuntu16.04.14USN-4201-1

libruby2.5Ubuntu

Fixed in:2.5.1-1ubuntu1.6USN-4201-1

ruby2.3Ubuntu

Fixed in:2.3.1-2~ubuntu16.04.14USN-4201-1

ruby2.5Ubuntu

Fixed in:2.5.1-1ubuntu1.6USN-4201-1

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

5.13%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Third-Party Advisory2

Other references9

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

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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.