Is CVE-2020-26420 in the CISA KEV catalog?

No. CVE-2020-26420 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-26420?

CVE-2020-26420 has a CVSS v3 base score of 3.1 (LOW).

What is the EPSS score for CVE-2020-26420?

CVE-2020-26420 has an EPSS score of 2.61% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-26420?

Upgrade wireshark on debian 11 to 3.4.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-26420

LOWEPSS 83th pctl

3.1

CVSS v3

NVD

Description

Memory leak in RTPS protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.

CWE-401Missing Release of Memory (Memory Leak)

How to fix

Remediation Available

wiresharkDebian

Fixed in:3.4.1-1CVE-2020-26420

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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

2.61%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Patch1

oracle.com

Exploit1

gitlab.com

Vendor Advisory1

wireshark.org

Third-Party Advisory2

Other references2

Embed a live status badge for CVE-2020-26420

Markdown

[![CVE-2020-26420](https://tridentstack.com/cve/badge/CVE-2020-26420.svg)](https://tridentstack.com/cve/CVE-2020-26420)

HTML

<a href="https://tridentstack.com/cve/CVE-2020-26420"><img src="https://tridentstack.com/cve/badge/CVE-2020-26420.svg" alt="CVE-2020-26420"></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.