How severe is CVE-2008-4389?

CVE-2008-4389 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2008-4389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4389?

CVE-2008-4389 primarily affects Symantec Workspace Streaming. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4389?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2008-4389 published?

CVE-2008-4389 was published on 2010-06-17 and last updated on 2026-06-16.

CVE-2008-4389

CVE-2008-4389 is a critical-severity vulnerability in Symantec Workspace Streaming with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Symantec Workspace Streaming
Published: 2010-06-17
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2008-4389?: CVE-2008-4389 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2008-4389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4389?: CVE-2008-4389 primarily affects Symantec Workspace Streaming. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4389?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2008-4389 published?: CVE-2008-4389 was published on 2010-06-17 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:symantec:workspace_streaming:6.1:*:*:*:*:*:*:*
cpe:2.3:a:symantec:workspace_streaming:6.1:sp1:*:*:*:*:*:*
cpe:2.3:a:symantec:workspace_streaming:6.1:sp2:*:*:*:*:*:*
cpe:2.3:a:symantec:workspace_streaming:6.1:sp3:*:*:*:*:*:*
cpe:2.3:a:symantec:appstream:5.2:*:*:*:*:*:*:*
cpe:2.3:a:symantec:appstream:5.2.1:*:*:*:*:*:*:*
cpe:2.3:a:symantec:appstream:5.2.2:*:*:*:*:*:*:*
cpe:2.3:a:symantec:appstream:5.2.3:*:*:*:*:*:*:*

More vulnerabilities in Symantec Workspace Streaming

CVE-2014-1649 — High (CVSS 7.9): The server in Symantec Workspace Streaming (SWS) before 7.5.0.749 allows remote attackers to access files and…
CVE-2015-1484 — Medium (CVSS 6.9): Unquoted Windows search path vulnerability in the agent in Symantec Workspace Streaming (SWS) 6.1 before SP8 MP2 HF7…
CVE-2016-2206 — Medium (CVSS 5.7): The management console in Symantec Workspace Streaming (SWS) 7.5.x before 7.5 SP1 HF9 and 7.6.0 before 7.6 HF5 and…
CVE-2016-2205 — Medium (CVSS 5.7): Directory traversal vulnerability in the file-download configuration file in the management console in Symantec…

All CVEs affecting Symantec Workspace Streaming →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →