Site Server vulnerabilitiesRanked by how likely they are to be used.

Product2 versions
The short answer

Site Server is made by Microsoft. We track 16 published vulnerabilities listed under that exact name, across 2 versions. None of them is on the list of flaws known to be exploited today. Microsoft lists newer releases under their own names, such as Site Server Commerce, so check those pages too.

See the riskiest flaws

We keep watching the known-exploited list.

Other names

Is Site Server listed under other names? Yes.

Microsoft also lists Site Server under more specific names, such as Site Server Commerce. Flaws listed only under those names are counted on their own pages, not here. If you run one of these, open its page for its own exploited flaws.

Known exploited

Which Site Server vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Site Server's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Site Server flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 80%

    IIS 4.0 and 5.0 does not properly perform ISAPI extension processing if a virtual directory is mapped to a UNC share, which allows remote attackers to read the source code of ASP and other files, aka the "Virtualized...

    CVSS5.0Published30 Mar 2000
  2. 77%

    The Remote Data Service (RDS) DataFactory component of Microsoft Data Access Components (MDAC) in IIS 3.x and 4.x exposes unsafe methods, which allows remote attackers to execute arbitrary commands.

    CVSS10.0Published19 Jul 1999
  3. 35%

    IIS 4.0 and Site Server 3.0 allow remote attackers to read source code for ASP files if the file is in a virtual directory whose name includes extensions such as .com, .exe, .sh, .cgi, or .dll, aka the "Virtual...

    CVSS5.0Published21 Dec 1999
  4. 22%

    Denial of service in IIS 4.0 via a flood of HTTP requests with malformed headers.

    CVSS5.0Published11 Aug 1999
  5. 18%

    The Winmsdp.exe sample file in IIS 4.0 and Site Server 3.0 allows remote attackers to read arbitrary files.

    CVSS5.0Published31 Dec 1999
  6. 15%

    cphost.dll in Microsoft Site Server 3.0 allows remote attackers to cause a denial of service (disk consumption) via an HTTP POST of a file with a long TargetURL parameter, which causes Site Server to abort and leaves...

    CVSS5.0Published31 Dec 2002
  7. 13%

    Cross-site scripting (XSS) vulnerability in the default ASP pages on Microsoft Site Server 3.0 on Windows NT 4.0 allows remote attackers to inject arbitrary web script or HTML via the (1) ctr parameter in Default.asp...

    CVSS4.3Published31 Dec 2002
  8. 12%

    IIS does not properly canonicalize URLs, potentially allowing remote attackers to bypass access restrictions in third-party software via escape characters, aka the "Escape Character Parsing" vulnerability.

    CVSS6.4Published21 Dec 1999
  9. 12%

    Microsoft Site Server 3.0 prior to SP4 installs a default user, LDAP_Anonymous, with a default password of LdapPassword_1, which allows remote attackers the "Log on locally" privilege.

    CVSS7.5Published31 Dec 2002
  10. 12%

    A configuration problem in the Ad Server Sample directory (AdSamples) in Microsoft Site Server 3.0 allows an attacker to obtain the SITE.CSC file, which exposes sensitive SQL database information.

    CVSS5.0Published11 May 1999
Precursor Intelligence

Running Site Server? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

Common questions, answered plainly.

Something else? Talk to the team →

We track 16 published vulnerabilities listed under the name Site Server, across 2 versions.

None of Site Server's vulnerabilities is on the list of flaws known to be exploited today.

Microsoft also lists Site Server under more specific names, such as Site Server Commerce. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.

Create a Precursor Intelligence account and track Site Server. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.