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.
CVE-2007-6016
- High exploitation likelihood — EPSS 50%
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 98.8%
- KEV
- Not listed
Published
February 29, 2008
Last Modified
April 23, 2026
References (20)
- PSIRT-CNA@flexerasoftwarehttp://secunia.com/advisories/27885
- PSIRT-CNA@flexerasoftwarehttp://secunia.com/secunia_research/2007-101/advisory/
- PSIRT-CNA@flexerasoftwarehttp://securitytracker.com/id?1019524
- PSIRT-CNA@flexerasoftwarehttp://seer.support.veritas.com/docs/308669.htm
- PSIRT-CNA@flexerasoftwarehttp://www.securityfocus.com/bid/26904
- PSIRT-CNA@flexerasoftwarehttp://www.symantec.com/avcenter/security/Content/2008.02.28.html
- PSIRT-CNA@flexerasoftwarehttp://www.symantec.com/avcenter/security/Content/2008.02.29.html
- PSIRT-CNA@flexerasoftwarehttp://www.vupen.com/english/advisories/2008/0718
- PSIRT-CNA@flexerasoftwarehttp://www.vupen.com/english/advisories/2008/2672
- PSIRT-CNA@flexerasoftwarehttps://www.exploit-db.com/exploits/5205
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/27885
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/secunia_research/2007-101/advisory/
- af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1019524
- af854a3a-2127-422b-91ae-364da2661108http://seer.support.veritas.com/docs/308669.htm
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/26904
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 2× in last 7d / 30× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:22 UTCEPSS rescore
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- 2026-05-30 22:43 UTCEG score recompute
- 2026-05-30 22:43 UTCGHSA enrichment
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Publicly available exploits
(3 references)Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-16582✓ verifiedFirst seen May 9, 2010
Symantec BackupExec Calendar Control - Remote Buffer Overflow (Metasploit)
Open source ↗ - Exploit-DBEDB-5205✓ verifiedFirst seen Feb 29, 2008
Symantec BackupExec Calendar Control - 'PVCalendar.ocx' Remote Buffer Overflow
Open source ↗ - Metasploitexploit/windows/browser/symantec_backupexec_pvcalendar✓ verifiedFirst seen Feb 28, 2008
Symantec BackupExec Calendar Control Buffer Overflow
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-119
Frequently asked(4)
What is CVE-2007-6016?
When was CVE-2007-6016 disclosed?
Is CVE-2007-6016 actively exploited?
How do I remediate CVE-2007-6016?
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