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CVE-2020-9429

24
FAUCET Score

CVE-2020-9429 describes a denial-of-service vulnerability in Wireshark versions 3.2.0 to 3.2.1, specifically within the WireGuard dissector, which could lead to a crash. This flaw, categorized as a NULL pointer dereference (CWE-476), affects products like openSUSE Leap and Wireshark itself. With a CVSS score of 7.5 (HIGH), it presents a network-exploitable risk with low attack complexity, allowing an unauthenticated attacker to cause a denial of service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low current threat landscape.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.2.0, <= 3.2.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

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
1.54%
Probability of exploitation in next 30 days
EPSS Percentile
72.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0154 is in the 54th 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 Advisories (1)

redhatCVE-2020-9429Moderate

wireshark: WireGuard dissector could crash due to NULL pointer dereference

Feb 28, 2020

References

lists.opensuse.org / opensuse-security-announce/2020-03/msg00027.html
Mailing ListThird Party Advisory
bugs.wireshark.org / bugzilla/show_bug.cgi
Issue TrackingVendor Advisory
code.wireshark.org / review/gitweb
code.wireshark.org / review/gitweb
security.gentoo.org / glsa/202007-13
Third Party Advisory
wireshark.org / security/wnpa-sec-2020-06.html
Vendor Advisory