CVE-2009-3566
McAfee IntruShield Network Security Manager (NSM) before 5.1.11.8.1 does not include the HTTPOnly...
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.
Exploit likelihood
What each source reports
NVD Score used
4.3
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.
- Record
CVE-2009-3566- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2009-3566- Updated
- 2026-11-02
EUVDEUVD-2009-3547 No score
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.
- Record
EUVD-2009-3547- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qxpm-m6jm-3crx No score
McAfee IntruShield Network Security Manager (NSM) before 5.1.11.8.1 does not include the HTTPOnly...
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.
- Record
GHSA-qxpm-m6jm-3crx- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | McAfee Network Security Manager 5.1.7 - Information Disclosure | 2009-11-06 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-3566 is a medium vulnerability (CVSS 4.3) in Mcafee Intrushield Network Security Manager, published November 13, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.04%, the 90th percentile. No source names a fixed version.