Is CVE-2018-16420 in the CISA KEV catalog?

No. CVE-2018-16420 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-16420?

CVE-2018-16420 has a CVSS v3 base score of 6.6 (MEDIUM).

What is the EPSS score for CVE-2018-16420?

CVE-2018-16420 has an EPSS score of 0.69% (48th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-16420?

Upgrade opensc on debian 11 to 0.19.0~rc1-1 or later.

CVE & CISA-KEV Catalog

CVE-2018-16420

MEDIUM

6.6

CVSS v3

NVD

Description

Several buffer overflows when handling responses from an ePass 2003 Card in decrypt_response in libopensc/card-epass2003.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.

CWE-119Buffer Overflow

How to fix

Remediation Available

openscDebian

Fixed in:0.19.0~rc1-1CVE-2018-16420

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 VectorPhysical

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.69%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Patch2

Exploit1

x41-dsec.de

Other references2

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%	-	-

Embed a live status badge for CVE-2018-16420

Markdown

[![CVE-2018-16420](https://tridentstack.com/cve/badge/CVE-2018-16420.svg)](https://tridentstack.com/cve/CVE-2018-16420)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-16420"><img src="https://tridentstack.com/cve/badge/CVE-2018-16420.svg" alt="CVE-2018-16420"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.