VPN-1 vulnerabilitiesRanked by how likely they are to be used.

Product14 versions
The short answer

VPN-1 is made by Checkpoint. We track 14 published vulnerabilities listed under that exact name, across 14 versions. None of them is on the list of flaws known to be exploited today. Checkpoint lists newer releases under their own names, such as VPN-1 Secureclient, so check those pages too.

See the riskiest flaws

We keep watching the known-exploited list.

Other names

Is VPN-1 listed under other names? Yes.

Checkpoint also lists VPN-1 under more specific names, such as VPN-1 Secureclient and VPN-1 Firewall-1. 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 VPN-1 vulnerabilities are being exploited?

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

None of VPN-1's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which VPN-1 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%

    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. 9.5%

    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
  3. 7.6%

    Stack-based buffer overflow in Check Point VPN-1 Server 4.1 through 4.1 SP6 and Check Point SecuRemote/SecureClient 4.1 through 4.1 build 4200 allows remote attackers to execute arbitrary code via an ISAKMP packet...

    CVSS10.0Published3 Mar 2004
  4. 7.2%

    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
  5. 5.9%

    Heap-based buffer overflow in ASN.1 decoding library in Check Point VPN-1 products, when Aggressive Mode IKE is implemented, allows remote attackers to execute arbitrary code by initiating an IKE negotiation and then...

    CVSS7.5Published28 Sep 2004
  6. 4.9%

    The Internet Key Exchange version 1 (IKEv1) implementation in Check Point products allows remote attackers to cause a denial of service via certain crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite...

    CVSS7.8Published18 Nov 2005
  7. 4.5%

    Multiple unspecified vulnerabilities in Check Point SSL Network Extender (SNX), SecureWorkSpace, and Endpoint Security On-Demand, as distributed by SecurePlatform, IPSO6, Connectra, and VSX, allow remote attackers to...

    CVSS9.3Published5 Oct 2011
  8. 2.8%

    Format string vulnerability in Check Point VPN-1/FireWall-1 4.1 allows a remote authenticated firewall administrator to execute arbitrary code via format strings in the control connection.

    CVSS7.5Published12 Jul 2001
  9. 2.2%

    Check Point VPN-1 Power/UTM, with NGX R60 through R65 and NG AI R55 software, allows remote authenticated users to cause a denial of service (site-to-site VPN tunnel outage), and possibly intercept network traffic,...

    CVSS6.5Published20 Mar 2008
Precursor Intelligence

Running VPN-1? 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.

Free plan, no card needed. Nothing to install.

FAQ

Common questions, answered plainly.

Something else? Talk to the team →

We track 14 published vulnerabilities listed under the name VPN-1, across 14 versions.

None of VPN-1's vulnerabilities is on the list of flaws known to be exploited today.

Checkpoint also lists VPN-1 under more specific names, such as VPN-1 Secureclient and VPN-1 Firewall-1. 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 VPN-1. 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.