Is CVE-2018-20164 in the CISA KEV catalog?

No. CVE-2018-20164 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-20164?

CVE-2018-20164 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2018-20164?

CVE-2018-20164 has an EPSS score of 3.30% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-20164?

Upgrade uap-core on debian 11 to 20190213-1 or later.

CVE & CISA-KEV Catalog

CVE-2018-20164

MEDIUMEPSS 87th pctl

5.3

CVSS v3

NVD

Description

An issue was discovered in regex.yaml (aka regexes.yaml) in UA-Parser UAP-Core before 0.6.0. A Regular Expression Denial of Service (ReDoS) issue allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to a value containing a long digit string. (The UAP-Core project contains the vulnerability, propagating to all implementations.)

CWE-185

How to fix

Remediation Available

uap-coreDebian

Fixed in:20190213-1CVE-2018-20164

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

AvailabilityLow

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

Exploit Intelligence

3.30%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Patch2

Exploit1

x41-dsec.de

Other references1

github.com

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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.