Client Firewall vulnerabilitiesRanked by how likely they are to be used.

Product2 versions
The short answer

Client Firewall is made by Symantec. We track 3 published vulnerabilities in it, across 2 versions. None of them is on the list of flaws known to be exploited today. If you run Client Firewall, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Client Firewall vulnerabilities are being exploited?

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

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

Exploit likelihood

Which Client Firewall 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. 13%

    Multiple vulnerabilities in SYMDNS.SYS for Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 through 2004, Norton AntiSpam 2004, Client Firewall 5.01 and 5.1.1, and...

    CVSS10.0Published7 Jul 2004
  2. 11%

    The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 through 2004, Norton AntiSpam 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0...

    CVSS2.6Published7 Jul 2004
  3. 8.8%

    SYMNDIS.SYS in Symantec Norton Internet Security 2003 and 2004, Norton Personal Firewall 2003 and 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0 and 1.1 allow remote attackers to cause a denial of...

    CVSS5.0Published18 Aug 2004
Precursor Intelligence

Running Client Firewall? 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 3 published vulnerabilities listed under the name Client Firewall, across 2 versions.

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

Create a Precursor Intelligence account and track Client Firewall. 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.