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CVE-2008-4389

25
FAUCET Score

CVE-2008-4389 describes an authentication bypass vulnerability in Symantec AppStream 5.2.x and Symantec Workspace Streaming (SWS) 6.1.x before 6.1 SP4. This flaw allows remote Workspace Streaming servers or man-in-the-middle attackers to download and execute arbitrary files on client systems. With a CVSS score of 9.3 (Critical), this vulnerability presents a high risk due to its network attack vector, medium attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.1CPE matchmatch criteria
cpe:2.3:a:symantec:workspace_streaming:6.1:*:*:*:*:*:*:*
6.1CPE matchmatch criteria
cpe:2.3:a:symantec:workspace_streaming:6.1:sp1:*:*:*:*:*:*
6.1CPE matchmatch criteria
cpe:2.3:a:symantec:workspace_streaming:6.1:sp2:*:*:*:*:*:*
6.1CPE matchmatch criteria
cpe:2.3:a:symantec:workspace_streaming:6.1:sp3:*:*:*:*:*:*
5.2CPE matchmatch criteria
cpe:2.3:a:symantec:appstream:5.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.48%
Probability of exploitation in next 30 days
EPSS Percentile
82.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0248 is in the 40th percentile among its peer group of 8,915 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/40233
exchange.xforce.ibmcloud.com / vulnerabilities/59504
kb.cert.org / vuls/id/221257
US Government Resource
securityfocus.com / bid/40611
symantec.com / security_response/securityupdates/detail.jsp
vupen.com / english/advisories/2010/1511