CVE-2023-1992

Wireshark vulnerability

CVSS

6.3

EPSS

4.6%

EPSS pct

91th

Exploited

No known

RPCoRDMA dissector crash in Wireshark 4.0.0 to 4.0.4 and 3.6.0 to 3.6.12 allows denial of service via packet injection or crafted capture file

Affected vendor

Wireshark

Affected product

Wireshark

CVSS vector

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

Weakness type (CWE)

CWE-400 — Uncontrolled Resource Consumption

Published

2023-04-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 4.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2023-1992

Confirm whether Wireshark Wireshark is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-1992.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-1992

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-1992 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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