CVE-2008-4389

Symantec AppStream 5.2.x and Symantec Workspace Streaming (SWS) 6.1.x before 6.1 SP4 do not properly perform authentication, which allows remote Workspace Streaming servers and man-in-the-middle attackers to download arbitrary executable files onto a client system, and execute these files, via unspecified vectors.

Published: 2010-06-17 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2008-4389 is rated High Risk (68/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.48%). Core evidence: EPSS rose +1.91% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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-2008-4389

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 0.57% 2.48% +1.91%
2 2025-09-10 0.74% 0.57% -0.17%
3 2025-03-30 0.74%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-4389

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/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:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2008-4389

Affected software / configurations for CVE-2008-4389

Vendor Product Version Raw CPE
symantec workspace_streaming 6.1 cpe:2.3:a:symantec:workspace_streaming:6.1:*:*:*:*:*:*:*
symantec workspace_streaming 6.1 cpe:2.3:a:symantec:workspace_streaming:6.1:sp1:*:*:*:*:*:*
symantec workspace_streaming 6.1 cpe:2.3:a:symantec:workspace_streaming:6.1:sp2:*:*:*:*:*:*
symantec workspace_streaming 6.1 cpe:2.3:a:symantec:workspace_streaming:6.1:sp3:*:*:*:*:*:*
symantec appstream 5.2 cpe:2.3:a:symantec:appstream:5.2:*:*:*:*:*:*:*
symantec appstream 5.2.1 cpe:2.3:a:symantec:appstream:5.2.1:*:*:*:*:*:*:*
symantec appstream 5.2.2 cpe:2.3:a:symantec:appstream:5.2.2:*:*:*:*:*:*:*
symantec appstream 5.2.3 cpe:2.3:a:symantec:appstream:5.2.3:*:*:*:*:*:*:*

References for CVE-2008-4389

cvelogic Threat Intelligence