Is CVE-2019-0197 in the CISA KEV catalog?

No. CVE-2019-0197 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-0197?

CVE-2019-0197 has a CVSS v3 base score of 4.2 (MEDIUM).

What is the EPSS score for CVE-2019-0197?

CVE-2019-0197 has an EPSS score of 8.44% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-0197?

Upgrade apache2 on debian 11 to 2.4.38-3 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2019-0197

MEDIUMEPSS 94th pctl

4.2

CVSS v3

NVD

Description

A vulnerability was found in Apache HTTP Server 2.4.34 to 2.4.38. When HTTP/2 was enabled for a http: host or H2Upgrade was enabled for h2 on a https: host, an Upgrade request from http/1.1 to http/2 that was not the first request on a connection could lead to a misconfiguration and crash. Server that never enabled the h2 protocol or that only enabled it for https: and did not set "H2Upgrade on" are unaffected by this issue.

CWE-444

How to fix

Remediation Available

apache2Debian

Fixed in:2.4.38-3CVE-2019-0197

apache2Ubuntu

Fixed in:2.4.18-2ubuntu3.12USN-4113-1

Fixed in:2.4.29-1ubuntu4.10USN-4113-1

apache2-binUbuntu

Fixed in:2.4.18-2ubuntu3.12USN-4113-1

Fixed in:2.4.29-1ubuntu4.10USN-4113-1

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 ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

8.44%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

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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.