Skip to content
CVE Tracker
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
Back

CVE-2013-3959

The Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, exhibits different…

Medium4.0EPSS 1.3%
Published
Updated
Reserved
Assigned by
mitre

Description

The Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, exhibits different behavior for NetBIOS user names depending on whether the user account exists, which allows remote authenticated users to enumerate account names via crafted URL parameters.

Scores

CVSS scores of CVE-2013-3959, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium4.0AV:N/AC:L/Au:S/C:P/I:N/A:N
EPSS (exploitation in 30 days)
1.3% · top 29% of all CVEs (6 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.0.

Weakness

Affected products

  • n/a

    • affected n/a

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2013-3959 badge
[![CVE-2013-3959](https://trackcve.app/badge/CVE-2013-3959.svg)](https://trackcve.app/cve/CVE-2013-3959)

Record last updated .