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CVE-2009-3241

36
FAUCET Score

CVE-2009-3241 describes an unspecified vulnerability in the OpcUa dissector within Wireshark versions 0.99.6 through 1.0.8 and 1.2.0 through 1.2.1. This flaw allows remote attackers to trigger a denial of service by sending specially crafted OPCUA Service CallRequest packets, leading to excessive memory and CPU consumption. The vulnerability has a high severity CVSS score of 7.8, indicating it can be exploited remotely with low complexity and results in a complete denial of service. While not listed on the KEV catalog, an exploit for this vulnerability is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
0.99.6CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:0.99.6:*:*:*:*:*:*:*
0.99.6aCPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:0.99.6a:*:*:*:*:*:*:*
0.99.7CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:0.99.7:*:*:*:*:*:*:*
0.99.8CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:0.99.8:*:*:*:*:*:*:*
0.99.9CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:0.99.9:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
9.70%
Probability of exploitation in next 30 days
EPSS Percentile
95.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-33222 · Sep 15, 2009
This CVE's current EPSS score of 0.0970 is in the 92nd 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-2009-3241Low

Wireshark: DoS (excessive CPU use) in OPCUA dissector

Sep 6, 2009

References

lists.opensuse.org / opensuse-security-announce/2009-10/msg00001.html
bugs.wireshark.org / bugzilla/show_bug.cgi
secunia.com / advisories/36754
Vendor Advisory
secunia.com / advisories/37409
secunia.com / advisories/37477
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6162
debian.org / security/2009/dsa-1942
securityfocus.com / bid/36408
Exploit
wireshark.org / docs/relnotes/wireshark-1.0.9.html
wireshark.org / docs/relnotes/wireshark-1.2.2.html
wireshark.org / security/wnpa-sec-2009-05.html
PatchVendor Advisory
wireshark.org / security/wnpa-sec-2009-06.html
Vendor Advisory