CVE-2009-4509
The administrative web console on the TANDBERG Video Communication Server (VCS) before X4.3 uses...
The administrative web console on the TANDBERG Video Communication Server (VCS) before X4.3 uses predictable session cookies in (1) tandberg/web/lib/secure.php and (2) tandberg/web/user/lib/secure.php, which makes it easier for remote attackers to bypass authentication, and execute arbitrary code by loading a custom software update, via a crafted "Cookie: tandberg_login=" HTTP header.
Exploit likelihood
What each source reports
NVD Score used
The administrative web console on the TANDBERG Video Communication Server (VCS) before X4.3 uses predictable session cookies in (1) tandberg/web/lib/secure.php and (2) tandberg/web/user/lib/secure.php, which makes it easier for remote attackers to bypass authentication, and execute arbitrary code by loading a custom software update, via a crafted "Cookie: tandberg_login=" HTTP header.
- Record
CVE-2009-4509- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE List No score
The administrative web console on the TANDBERG Video Communication Server (VCS) before X4.3 uses predictable session cookies in (1) tandberg/web/lib/secure.php and (2) tandberg/web/user/lib/secure.php, which makes it easier for remote attackers to bypass authentication, and execute arbitrary code by loading a custom software update, via a crafted "Cookie: tandberg_login=" HTTP header.
- Record
CVE-2009-4509- Updated
- 2026-11-02
EUVDEUVD-2009-4475 No score
The administrative web console on the TANDBERG Video Communication Server (VCS) before X4.3 uses predictable session cookies in (1) tandberg/web/lib/secure.php and (2) tandberg/web/user/lib/secure.php, which makes it easier for remote attackers to bypass authentication, and execute arbitrary code by loading a custom software update, via a crafted "Cookie: tandberg_login=" HTTP header.
- Record
EUVD-2009-4475- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4ff5-fg46-2w34 No score
The administrative web console on the TANDBERG Video Communication Server (VCS) before X4.3 uses...
The administrative web console on the TANDBERG Video Communication Server (VCS) before X4.3 uses predictable session cookies in (1) tandberg/web/lib/secure.php and (2) tandberg/web/user/lib/secure.php, which makes it easier for remote attackers to bypass authentication, and execute arbitrary code by loading a custom software update, via a crafted "Cookie: tandberg_login=" HTTP header.
- Record
GHSA-4ff5-fg46-2w34- Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-4509 is a high vulnerability (CVSS 10.0) in Vsecurity Tandberg Video Communication Server, published April 13, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.53%, the 91st percentile. No source names a fixed version.
References
ftp.tandberg.com/pub/software/vcs/TANDBERG%20Video%20Communication%20Server%20Software%20Release%20Notes%20%28X4%29.pdf
vsecurity.com/resources/advisory/20100409-1
secunia.com/advisories/39275
securityfocus.com/archive/1/510672/100/0/threaded
nvd.nist.gov/vuln/detail/CVE-2009-4509
github.com/advisories/GHSA-4ff5-fg46-2w34