Is CVE-2021-22173 in the CISA KEV catalog?

No. CVE-2021-22173 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22173?

CVE-2021-22173 has a CVSS v3 base score of 3.7 (LOW).

What is the EPSS score for CVE-2021-22173?

CVE-2021-22173 has an EPSS score of 2.41% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22173?

Upgrade wireshark on debian 11 to 3.4.3-1 or later.

CVE & CISA-KEV Catalog

CVE-2021-22173

LOWEPSS 82th pctl

3.7

CVSS v3

NVD

Description

Memory leak in USB HID dissector in Wireshark 3.4.0 to 3.4.2 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:3.4.3-1CVE-2021-22173

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

2.41%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch1

oracle.com

Exploit1

gitlab.com

Vendor Advisory1

wireshark.org

Third-Party Advisory2

Other references2

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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.