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

Product79 versions
The short answer

Pix Firewall is made by Cisco. We track 13 published vulnerabilities listed under that exact name, across 79 versions. None of them is on the list of flaws known to be exploited today. Cisco lists newer releases under their own names, such as Pix Firewall Software, so check those pages too.

See the riskiest flaws

We keep watching the known-exploited list.

Other names

Is Pix Firewall listed under other names? Yes.

Cisco also lists Pix Firewall under more specific names, such as Pix Firewall Software and Pix Firewall 520. 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 Pix Firewall vulnerabilities are being exploited?

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

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

Exploit likelihood

Which Pix 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. 10%
    CVE-2004-0112Medium

    The SSL/TLS handshaking code in OpenSSL 0.9.7a, 0.9.7b, and 0.9.7c, when using Kerberos ciphersuites, does not properly check the length of Kerberos tickets during a handshake, which allows remote attackers to cause...

    CVSS5.0Published23 Nov 2004
  2. 9.8%
    CVE-2006-0515High

    Cisco PIX/ASA 7.1.x before 7.1(2) and 7.0.x before 7.0(5), PIX 6.3.x before 6.3.5(112), and FWSM 2.3.x before 2.3(4) and 3.x before 3.1(7), when used with Websense/N2H2, allows remote attackers to bypass HTTP access...

    CVSS7.5Published9 May 2006
  3. 9.5%
    CVE-2004-0079High

    The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c, allows remote attackers to cause a denial of service (crash) via a crafted SSL/TLS handshake that triggers a null dereference.

    CVSS7.5Published23 Nov 2004
  4. 9.2%
    CVE-2000-0613Medium

    Cisco Secure PIX Firewall does not properly identify forged TCP Reset (RST) packets, which allows remote attackers to force the firewall to close legitimate connections.

    CVSS5.0Published20 Mar 2000
  5. 7.2%
    CVE-2004-0081Medium

    OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (infinite loop), as demonstrated using the Codenomicon TLS Test Tool.

    CVSS5.0Published23 Nov 2004
  6. 6.9%
    CVE-2006-3906Medium

    Internet Key Exchange (IKE) version 1 protocol, as implemented on Cisco IOS, VPN 3000 Concentrators, and PIX firewalls, allows remote attackers to cause a denial of service (resource exhaustion) via a flood of IKE...

    CVSS5.0Published27 Jul 2006
  7. 6.1%
    CVE-2003-0851Medium

    OpenSSL 0.9.6k allows remote attackers to cause a denial of service (crash via large recursion) via malformed ASN.1 sequences.

    CVSS5.0Published1 Dec 2003
  8. 5.2%
    CVE-2005-3669Medium

    Multiple unspecified vulnerabilities in the Internet Key Exchange version 1 (IKEv1) implementation in multiple Cisco products allow remote attackers to cause a denial of service (device reset) via certain malformed...

    CVSS5.0Published18 Nov 2005
  9. 2.6%
    CVE-2005-4499High

    The Downloadable RADIUS ACLs feature in Cisco PIX and VPN 3000 concentrators, when creating an ACL on the Cisco Secure Access Control Server (CS ACS), generates a random internal name for an ACL that is also used as...

    CVSS7.5Published22 Dec 2005
  10. 1.9%
    CVE-1999-1582High

    By design, the "established" command on the Cisco PIX firewall allows connections from one host to arbitrary ports of a target host if an alternative conduit has already been allowed, which can cause administrators...

    CVSS7.5Published15 Jul 1998
Precursor Intelligence

Running Pix 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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We track 13 published vulnerabilities listed under the name Pix Firewall, across 79 versions.

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

Cisco also lists Pix Firewall under more specific names, such as Pix Firewall Software and Pix Firewall 520. 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 Pix 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.

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