THREATPORT/VULNERABILITY/CVE-2007-6017
MEDIUM SEVERITY

CVE-2007-6017

Backup Exec For Windows Server vulnerability

CVSS
5.1
EPSS
3.1%
EPSS pct
86th
Exploited
No known
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, exposes the unsafe Save method, which allows remote attackers to cause a denial of service (browser crash), or create or overwrite arbitrary files, via string values of the (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, and (19) _MonthText11 properties. NOTE: the vendor states "Authenticated user involvement required," but authentication is not needed to attack a client machine that loads this control.
Affected vendor
Symantec
Affected product
Backup Exec For Windows Server
CVSS vector
AV:N/AC:H/Au:N/C:P/I:P/A:P
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2008-02-29

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2007-6017

  • Confirm whether Symantec Backup Exec For Windows Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2007-6017.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-6017

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