How severe is CVE-2006-4128?

CVE-2006-4128 has a CVSS 2.0 base score of 6.5, rated medium severity.

Is CVE-2006-4128 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4128?

CVE-2006-4128 primarily affects Symantec Veritas Backup Exec. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-4128?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-4128 published?

CVE-2006-4128 was published on 2006-08-14 and last updated on 2026-06-16.

CVE-2006-4128

CVE-2006-4128 is a medium-severity vulnerability in Symantec Veritas Backup Exec with a CVSS 2.0 base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.5)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Symantec Veritas Backup Exec
Published: 2006-08-14
Last modified: 2026-06-16

Description

Multiple heap-based buffer overflows in Symantec VERITAS Backup Exec for Netware Server Remote Agent for Windows Server 9.1 and 9.2 (all builds), Backup Exec Continuous Protection Server Remote Agent for Windows Server 10.1 (builds 10.1.325.6301, 10.1.326.1401, 10.1.326.2501, 10.1.326.3301, and 10.1.327.401), and Backup Exec for Windows Server and Remote Agent 9.1 (build 9.1.4691), 10.0 (builds 10.0.5484 and 10.0.5520), and 10.1 (build 10.1.5629) allow remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted RPC message.

Frequently asked questions

What is CVE-2006-4128?: Multiple heap-based buffer overflows in Symantec VERITAS Backup Exec for Netware Server Remote Agent for Windows Server 9.1 and 9.2 (all builds), Backup Exec Continuous Protection Server Remote Agent for Windows Server 10.1 (builds 10.1.325.6301, 10.1.326.1401, 10.1.326.2501, 10.1.326.3301, and 10.1.327.401), and Backup Exec for Windows Server and Remote Agent 9.1 (build 9.1.4691), 10.0 (builds 10.0.5484 and 10.0.5520), and 10.1 (build 10.1.5629) allow remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted RPC message.
How severe is CVE-2006-4128?: CVE-2006-4128 has a CVSS 2.0 base score of 6.5, rated medium severity.
Is CVE-2006-4128 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4128?: CVE-2006-4128 primarily affects Symantec Veritas Backup Exec. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4128?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4128 published?: CVE-2006-4128 was published on 2006-08-14 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:a:symantec_veritas:backup_exec:9.1:*:windows_server_remote_agent:*:*:*:*:*
cpe:2.3:a:symantec_veritas:backup_exec:9.1_build9.1.4691:*:windows_server_remote_agent:*:*:*:*:*
cpe:2.3:a:symantec_veritas:backup_exec:9.2:*:windows_server_remote_agent:*:*:*:*:*
cpe:2.3:a:symantec_veritas:backup_exec:10.0:*:windows_server_remote_agent:*:*:*:*:*
cpe:2.3:a:symantec_veritas:backup_exec:10.0_build10.0.5484:*:windows_server_remote_agent:*:*:*:*:*
cpe:2.3:a:symantec_veritas:backup_exec:10.0_build10.0.5520:*:windows_server_remote_agent:*:*:*:*:*
cpe:2.3:a:symantec_veritas:backup_exec:10.1:*:windows_server_remote_agent:*:*:*:*:*
cpe:2.3:a:symantec_veritas:backup_exec:10.1.325.6301:*:*:*:*:*:*:*
cpe:2.3:a:symantec_veritas:backup_exec:10.1.326.1401:*:*:*:*:*:*:*
cpe:2.3:a:symantec_veritas:backup_exec:10.1.326.2501:*:*:*:*:*:*:*
cpe:2.3:a:symantec_veritas:backup_exec:10.1.326.3301:*:*:*:*:*:*:*
cpe:2.3:a:symantec_veritas:backup_exec:10.1.327.401:*:*:*:*:*:*:*
cpe:2.3:a:symantec_veritas:backup_exec:10.1_build10.1.5629:*:windows_server_remote_agent:*:*:*:*:*

More vulnerabilities in Symantec Veritas Backup Exec

CVE-2005-2611 — Critical (CVSS 10.0): VERITAS Backup Exec for Windows Servers 8.6 through 10.0, Backup Exec for NetWare Servers 9.0 and 9.1, and NetBackup…
CVE-2005-0771 — Critical (CVSS 10.0): VERITAS Backup Exec Server (beserver.exe) 9.0 through 10.0 for Windows allows remote unauthenticated attackers to…
CVE-2004-1172 — Critical (CVSS 10.0): Stack-based buffer overflow in the Agent Browser in Veritas Backup Exec 8.x before 8.60.3878 Hotfix 68, and 9.x before…
CVE-2005-2079 — High (CVSS 7.5): Heap-based buffer overflow in the Admin Plus Pack Option for VERITAS Backup Exec 9.0 through 10.0 for Windows Servers…
CVE-2005-2080 — High (CVSS 7.5): Unknown vulnerability in Remote Agent for Windows Servers (RAWS) in VERITAS Backup Exec 9.0 through 10.0 for Windows,…
CVE-2005-2051 — High (CVSS 7.5): Buffer overflow in the VERITAS Backup Exec Web Administration Console (BEWAC) 9.0 4367 through 10.0 rev. 5484 allows…

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