CVE-2009-4510

The SSH service on the TANDBERG Video Communication Server (VCS) before X5.1 uses a fixed DSA key, which makes it easier for remote attackers to conduct man-in-the-middle attacks and spoof arbitrary servers via crafted SSH packets.

Published: 2010-04-13 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-4510 is rated Moderate Risk (63.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.15%). EPSS rose +1.50% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-4510

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.65% 2.15% +1.50%
2 2025-03-30 0.89% 0.65% -0.25%
3 2025-03-29 — 0.89% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4510

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.5 2.0 HIGH
AV:N/AC:M/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 6.8 10.0 [email protected]

Weakness enumeration for CVE-2009-4510

Affected software / configurations for CVE-2009-4510

Vendor Product Version Raw CPE
vsecurity tandberg_video_communication_server <= x5.0.0 cpe:2.3:a:vsecurity:tandberg_video_communication_server:*:*:*:*:*:*:*:*
vsecurity tandberg_video_communication_server x1.0.0 cpe:2.3:a:vsecurity:tandberg_video_communication_server:x1.0.0:*:*:*:*:*:*:*
vsecurity tandberg_video_communication_server x1.1.0 cpe:2.3:a:vsecurity:tandberg_video_communication_server:x1.1.0:*:*:*:*:*:*:*
vsecurity tandberg_video_communication_server x1.2.0 cpe:2.3:a:vsecurity:tandberg_video_communication_server:x1.2.0:*:*:*:*:*:*:*
vsecurity tandberg_video_communication_server x2.0.0 cpe:2.3:a:vsecurity:tandberg_video_communication_server:x2.0.0:*:*:*:*:*:*:*
vsecurity tandberg_video_communication_server x2.1.0 cpe:2.3:a:vsecurity:tandberg_video_communication_server:x2.1.0:*:*:*:*:*:*:*
vsecurity tandberg_video_communication_server x3.0.0 cpe:2.3:a:vsecurity:tandberg_video_communication_server:x3.0.0:*:*:*:*:*:*:*
vsecurity tandberg_video_communication_server x3.1.0 cpe:2.3:a:vsecurity:tandberg_video_communication_server:x3.1.0:*:*:*:*:*:*:*
vsecurity tandberg_video_communication_server x4.1.0 cpe:2.3:a:vsecurity:tandberg_video_communication_server:x4.1.0:*:*:*:*:*:*:*
vsecurity tandberg_video_communication_server x4.2.0 cpe:2.3:a:vsecurity:tandberg_video_communication_server:x4.2.0:*:*:*:*:*:*:*
vsecurity tandberg_video_communication_server x4.2.1 cpe:2.3:a:vsecurity:tandberg_video_communication_server:x4.2.1:*:*:*:*:*:*:*
vsecurity tandberg_video_communication_server x4.3.0 cpe:2.3:a:vsecurity:tandberg_video_communication_server:x4.3.0:*:*:*:*:*:*:*

References for CVE-2009-4510

cvelogic Threat Intelligence