Is CVE-2018-0608 in the CISA KEV catalog?

No. CVE-2018-0608 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-0608?

CVE-2018-0608 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2018-0608?

CVE-2018-0608 has an EPSS score of 3.82% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-0608?

Upgrade h2o on debian 11 to 2.2.5+dfsg1-1 or later.

CVE & CISA-KEV Catalog

CVE-2018-0608

CRITICALEPSS 89th pctl

9.8

CVSS v3

NVD

Description

Buffer overflow in H2O version 2.2.4 and earlier allows remote attackers to execute arbitrary code or cause a denial of service (DoS) via unspecified vectors.

CWE-119Buffer Overflow

How to fix

Remediation Available

h2oDebian

Fixed in:2.2.5+dfsg1-1CVE-2018-0608

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

3.82%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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.