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CVE-2009-3243

25
FAUCET Score

CVE-2009-3243 describes an unspecified denial-of-service vulnerability in the TLS dissector of Wireshark versions 1.2.0 and 1.2.1, specifically when running on Windows. This flaw allows remote attackers to crash the application through unknown vectors related to TLS 1.2 conversations. Rated with a CVSS score of 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P), it indicates a network-exploitable vulnerability with low attack complexity, requiring no authentication, and impacting availability. While not listed on CISA's KEV catalog and with no observed active exploitation, a public exploit (EDB-33223) exists, although there is minimal community discussion or media coverage surrounding this older vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.2.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.2.0:*:*:*:*:*:*:*
1.2.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.2.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.24%
Probability of exploitation in next 30 days
EPSS Percentile
93.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-33223 · Sep 15, 2009
This CVE's current EPSS score of 0.0724 is in the 91st percentile among its peer group of 23,705 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

redhatCVE-2009-3243

CVE-2009-3243

References

bugs.wireshark.org / bugzilla/show_bug.cgi
secunia.com / advisories/36754
Vendor Advisory
secunia.com / advisories/37409
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6413
securityfocus.com / bid/36408
Exploit
wireshark.org / docs/relnotes/wireshark-1.2.2.html
wireshark.org / security/wnpa-sec-2009-06.html
Vendor Advisory