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CVE-2009-3566

MEDIUM · CVSS 4.3EPSS 4.0%EU EUVD

McAfee IntruShield Network Security Manager (NSM) before 5.1.11.8.1 does not include the HTTPOnly flag in the Set-Cookie header for the session identifier, which allows remote attackers to hijack a session by leveraging a cross-site scripting (XSS) vulnerability.

Key facts

CVSS score
4.3 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE)
CWE-79
EPSS score
4.0% (91th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-3547)
Published
November 13, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-3547 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • mcafee / intrushield network security manager
  • mcafee / intrushield network security manager
  • mcafee / intrushield network security manager

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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