Is CVE-2019-11027 in the CISA KEV catalog?

No. CVE-2019-11027 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-11027?

CVE-2019-11027 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-11027?

CVE-2019-11027 has an EPSS score of 2.91% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-11027?

Upgrade ruby-openid on debian 11 to 2.9.2debian-1 or later.

CVE & CISA-KEV Catalog

CVE-2019-11027

CRITICALEPSS 85th pctl

9.8

CVSS v3

NVD

Description

Ruby OpenID (aka ruby-openid) through 2.8.0 has a remotely exploitable flaw. This library is used by Rails web applications to integrate with OpenID Providers. Severity can range from medium to critical, depending on how a web application developer chose to employ the ruby-openid library. Developers who based their OpenID integration heavily on the "example app" provided by the project are at highest risk.

How to fix

Remediation Available

ruby-openidDebian

Fixed in:2.9.2debian-1CVE-2019-11027

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

2.91%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Third-Party Advisory1

marc.info

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.