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    CVE-2022-36944

    Scala 2.13.x before 2.13.9 has a Java deserialization chain in its JAR file. On its own, it cannot be exploited. There is only a risk in conjunction with Java object deserialization within an application. In such situations, it allows attackers to erase contents of arbitrary files, make network connections, or possibly run arbitrary code (specifically, Function0 functions) via a gadget chain.

    Published:Sep 23, 2022
    Last Modified:May 27, 2025
    EPS:Sep 23, 2022
    EPSS Score:0.72592
    CVSS Score:9.8

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Redhat
    Product
    Amq Streams
    Vendor
    Scala-lang
    Product
    Scala
    Vendor
    Scala-lang
    Product
    Scala-collection-compat

    Exploits

    https://github.com/scala/scala/pull/10118https://github.com/scala/scala/pull/10118https://github.com/yarocher/lazylist-cve-poc

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

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    References

    https://discuss.lightbend.com/t/impact-of-cve-2022-36944-on-akka-cluster-akka-actor-akka-remote/10007/2
    https://github.com/scala/scala-collection-compat/releases/tag/v2.9.0
    https://github.com/scala/scala/pull/10118
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ZOZVWY3X72FZZCCRAKRJYTQOJ6LUD6Z/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3WMKPFAMFQE3HJVRQ5KOJUTWG264SXI/
    https://www.scala-lang.org/download/
    https://discuss.lightbend.com/t/impact-of-cve-2022-36944-on-akka-cluster-akka-actor-akka-remote/10007/2
    https://github.com/scala/scala-collection-compat/releases/tag/v2.9.0
    https://github.com/scala/scala/pull/10118
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ZOZVWY3X72FZZCCRAKRJYTQOJ6LUD6Z/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3WMKPFAMFQE3HJVRQ5KOJUTWG264SXI/
    https://www.scala-lang.org/download/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High