How severe is CVE-2007-6016?

CVE-2007-6016 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-6016 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 50% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6016?

CVE-2007-6016 primarily affects Symantec Backup Exec For Windows Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-6016?

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-2007-6016 published?

CVE-2007-6016 was published on 2008-02-29 and last updated on 2026-06-16.

CVE-2007-6016

CVE-2007-6016 is a critical-severity vulnerability in Symantec Backup Exec For Windows Server with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 50% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 50% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Symantec Backup Exec For Windows Server
Published: 2008-02-29
Last modified: 2026-06-16

Description

Multiple stack-based buffer overflows in the PVATLCalendar.PVCalendar.1 ActiveX control in pvcalendar.ocx in the scheduler component in the Media Server in Symantec Backup Exec for Windows Server (BEWS) 11d 11.0.6235 and 11.0.7170, and 12.0 12.0.1364, allow remote attackers to execute arbitrary code via a long (1) _DOWText0, (2) _DOWText1, (3) _DOWText2, (4) _DOWText3, (5) _DOWText4, (6) _DOWText5, (7) _DOWText6, (8) _MonthText0, (9) _MonthText1, (10) _MonthText2, (11) _MonthText3, (12) _MonthText4, (13) _MonthText5, (14) _MonthText6, (15) _MonthText7, (16) _MonthText8, (17) _MonthText9, (18) _MonthText10, or (19) _MonthText11 property value when executing the Save method. NOTE: the vendor states "Authenticated user involvement required," but authentication is not needed to attack a client machine that loads this control.

Frequently asked questions

What is CVE-2007-6016?: Multiple stack-based buffer overflows in the PVATLCalendar.PVCalendar.1 ActiveX control in pvcalendar.ocx in the scheduler component in the Media Server in Symantec Backup Exec for Windows Server (BEWS) 11d 11.0.6235 and 11.0.7170, and 12.0 12.0.1364, allow remote attackers to execute arbitrary code via a long (1) _DOWText0, (2) _DOWText1, (3) _DOWText2, (4) _DOWText3, (5) _DOWText4, (6) _DOWText5, (7) _DOWText6, (8) _MonthText0, (9) _MonthText1, (10) _MonthText2, (11) _MonthText3, (12) _MonthText4, (13) _MonthText5, (14) _MonthText6, (15) _MonthText7, (16) _MonthText8, (17) _MonthText9, (18) _MonthText10, or (19) _MonthText11 property value when executing the Save method. NOTE: the vendor states "Authenticated user involvement required," but authentication is not needed to attack a client machine that loads this control.
How severe is CVE-2007-6016?: CVE-2007-6016 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-6016 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 50% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6016?: CVE-2007-6016 primarily affects Symantec Backup Exec For Windows Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-6016?: 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-2007-6016 published?: CVE-2007-6016 was published on 2008-02-29 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:symantec:backup_exec_for_windows_server:11d:11.0.6235:*:*:*:*:*:*
cpe:2.3:a:symantec:backup_exec_for_windows_server:11d:11.0.7170:*:*:*:*:*:*
cpe:2.3:a:symantec:backup_exec_for_windows_server:12.0:12.0.1364:*:*:*:*:*:*

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