Websphere Application Server vulnerabilitiesAnd the versions its exploited flaws hit.

Product1 known exploited357 versions
The short answer

Websphere Application Server is made by IBM. We track 438 published vulnerabilities listed under that exact name, across 357 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 10 January 2022. IBM lists newer releases under their own names, such as Websphere Application Server Feature Pack for Web Services, so check those pages too.

Check your version

The most recent Websphere Application Server flaw added to the known-exploited list is CVE-2015-7450, on 10 January 2022. We keep watching the known-exploited list.

Other names

Is Websphere Application Server listed under other names? Yes.

IBM also lists Websphere Application Server under more specific names, such as Websphere Application Server Feature Pack for Web Services and Websphere Application Server Liberty. 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.

Versions

Which versions of Websphere Application Server do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.

  • CVE-2015-7450Exploited list, 10 Jan 2022

    IBM WebSphere Application Server and Server Hypervisor Edition Code Injection.

    7.0.0.08.0.0.08.58.5.0.08.5.5.5
Known exploited

Which Websphere Application Server vulnerabilities are being exploited?

1 flaw is on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 9.8
    CVE-2015-7450CriticalKnown exploited
    IBM WebSphere Application Server and Server Hypervisor Edition Code Injection.

    Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT infrastructure, and mobile and social products allow remote attackers to execute arbitrary commands

    Chance of use98%Known exploited since10 Jan 2022
Exploit likelihood

Which Websphere Application 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. 98%
    CVE-2015-7450CriticalKnown exploited

    Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT infrastructure, and mobile and social products allow remote attackers to execute arbitrary commands via a crafted serialized...

    CVSS9.8Published2 Jan 2016
  2. 80%

    IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources.

    CVSS9.8Published17 May 2019
  3. 40%

    IBM WebSphere Application Server (WAS) 7.x before 7.0.0.43, 8.0.0.x before 8.0.0.13, 8.5.0.x before 8.5.5.10, 8.5.0.x and 16.0.0.x Liberty before Liberty Fix Pack 16.0.0.3, and 9.0.0.x before 9.0.0.1 allows remote...

    CVSS3.7Published8 Aug 2016
  4. 34%

    IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects.

    CVSS9.8Published5 Jun 2020
  5. 22%

    Apache Axis2 before 1.5.2, as used in IBM WebSphere Application Server (WAS) 7.0 through 7.0.0.12, IBM Feature Pack for Web Services 6.1.0.9 through 6.1.0.32, IBM Feature Pack for Web 2.0 1.0.1.0, Apache Synapse,...

    CVSS7.5Published22 Jun 2010
  6. 13%

    IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects.

    CVSS9.0Published25 Jun 2025
  7. 13%

    IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 traditional could allow a remote attacker to execute arbitrary code on a system with a specially-crafted sequence of serialized objects over the SOAP connector.

    CVSS8.8Published17 Jul 2020
  8. 12%

    IBM WebSphere Application Server Network Deployment 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted...

    CVSS9.8Published5 Jun 2020
  9. 11%

    IBM WebSphere Application Server 5.0.x before 5.02.15, 5.1.x before 5.1.1.8, and 6.x before fixpack V6.0.2.5, when session trace is enabled, records a full URL including the queryString in the trace logs when an...

    CVSS4.3Published4 Nov 2005
  10. 9.8%

    The JMX Remoting functionality in Apache Geronimo 3.x before 3.0.1, as used in IBM WebSphere Application Server (WAS) Community Edition 3.0.0.3 and other products, does not properly implement the RMI classloader,...

    CVSS10.0Published11 Jul 2013
Precursor Intelligence

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FAQ

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We track 438 published vulnerabilities listed under the name Websphere Application Server, across 357 versions. The most recent Websphere Application Server flaw added to the known-exploited list is CVE-2015-7450, on 10 January 2022.

1 is on the list of flaws known to be exploited. The most recently added is CVE-2015-7450.

IBM also lists Websphere Application Server under more specific names, such as Websphere Application Server Feature Pack for Web Services and Websphere Application Server Liberty. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.

Each flaw names its own versions, usually as ranges. The newest, CVE-2015-7450, affects 7.0.0.0, 8.0.0.0, 8.5, 8.5.0.0 and more. The versions for every exploited flaw are listed on this page.

Create a Precursor Intelligence account and track Websphere Application 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.