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CVE-2020-9430

24
FAUCET Score

CVE-2020-9430 describes a denial-of-service vulnerability in Wireshark versions 3.2.0-3.2.1, 3.0.0-3.0.8, and 2.6.0-2.6.14, where a malformed WiMax DLMAP dissector could lead to a crash. This high-severity vulnerability (CVSS 7.5) is easily exploitable over the network with low attack complexity, potentially causing a complete loss of availability for the affected Wireshark instance. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.0, <= 2.6.14CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
>= 3.0.0, <= 3.0.8CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
>= 3.2.0, <= 3.2.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
30CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.81%
Probability of exploitation in next 30 days
EPSS Percentile
85.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0281 is in the 73rd percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: wireshark
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: wireshark

Vendor Advisories (1)

redhatCVE-2020-9430Moderate

wireshark: injecting a malformed packet may cause WiMax DLMAP dissector to crash due to out-of-bound read

Feb 26, 2020

References

lists.opensuse.org / opensuse-security-announce/2020-03/msg00027.html
Mailing ListThird Party Advisory
bugs.wireshark.org / bugzilla/show_bug.cgi
ExploitIssue TrackingVendor Advisory
bugs.wireshark.org / bugzilla/show_bug.cgi
ExploitIssue TrackingVendor Advisory
code.wireshark.org / review/gitweb
code.wireshark.org / review/gitweb
lists.debian.org / debian-lts-announce/2021/02/msg00008.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/DZBICEY2HGSNQ3RPBLMDDYVAHGOGS4E2
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/JDVMBCADP73TBISYCS6ARKOSNNJOGXXZ
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/XN2GMGLT5XND7U34WX3O23WKUZ7JHMVN
security.gentoo.org / glsa/202007-13
Third Party Advisory
wireshark.org / security/wnpa-sec-2020-04.html
Vendor Advisory