high
8.1
CWE
502
Advisory Published
Updated

CVE-2020-15842

First published: Mon Jul 20 2020(Updated: )

Liferay Portal before 7.3.0, and Liferay DXP 7.0 before fix pack 90, 7.1 before fix pack 17, and 7.2 before fix pack 5, allows man-in-the-middle attackers to execute arbitrary code via crafted serialized payloads, because of insecure deserialization.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Liferay 7.4 GA=7.0
Liferay 7.4 GA=7.0-fix_pack_13
Liferay 7.4 GA=7.0-fix_pack_14
Liferay 7.4 GA=7.0-fix_pack_24
Liferay 7.4 GA=7.0-fix_pack_25
Liferay 7.4 GA=7.0-fix_pack_26
Liferay 7.4 GA=7.0-fix_pack_27
Liferay 7.4 GA=7.0-fix_pack_28
Liferay 7.4 GA=7.0-fix_pack_3\+
Liferay 7.4 GA=7.0-fix_pack_30
Liferay 7.4 GA=7.0-fix_pack_33
Liferay 7.4 GA=7.0-fix_pack_35
Liferay 7.4 GA=7.0-fix_pack_36
Liferay 7.4 GA=7.0-fix_pack_39
Liferay 7.4 GA=7.0-fix_pack_40
Liferay 7.4 GA=7.0-fix_pack_41
Liferay 7.4 GA=7.0-fix_pack_42
Liferay 7.4 GA=7.0-fix_pack_43
Liferay 7.4 GA=7.0-fix_pack_44
Liferay 7.4 GA=7.0-fix_pack_45
Liferay 7.4 GA=7.0-fix_pack_46
Liferay 7.4 GA=7.0-fix_pack_47
Liferay 7.4 GA=7.0-fix_pack_48
Liferay 7.4 GA=7.0-fix_pack_49
Liferay 7.4 GA=7.0-fix_pack_50
Liferay 7.4 GA=7.0-fix_pack_51
Liferay 7.4 GA=7.0-fix_pack_52
Liferay 7.4 GA=7.0-fix_pack_53
Liferay 7.4 GA=7.0-fix_pack_54
Liferay 7.4 GA=7.0-fix_pack_56
Liferay 7.4 GA=7.0-fix_pack_57
Liferay 7.4 GA=7.0-fix_pack_58
Liferay 7.4 GA=7.0-fix_pack_59
Liferay 7.4 GA=7.0-fix_pack_60
Liferay 7.4 GA=7.0-fix_pack_61
Liferay 7.4 GA=7.0-fix_pack_64
Liferay 7.4 GA=7.0-fix_pack_65
Liferay 7.4 GA=7.0-fix_pack_66
Liferay 7.4 GA=7.0-fix_pack_67
Liferay 7.4 GA=7.0-fix_pack_68
Liferay 7.4 GA=7.0-fix_pack_69
Liferay 7.4 GA=7.0-fix_pack_70
Liferay 7.4 GA=7.0-fix_pack_71
Liferay 7.4 GA=7.0-fix_pack_72
Liferay 7.4 GA=7.0-fix_pack_73
Liferay 7.4 GA=7.0-fix_pack_75
Liferay 7.4 GA=7.0-fix_pack_76
Liferay 7.4 GA=7.0-fix_pack_78
Liferay 7.4 GA=7.0-fix_pack_79
Liferay 7.4 GA=7.0-fix_pack_80
Liferay 7.4 GA=7.0-fix_pack_81
Liferay 7.4 GA=7.1
Liferay 7.4 GA=7.1-fix_pack_1
Liferay 7.4 GA=7.1-fix_pack_10
Liferay 7.4 GA=7.1-fix_pack_11
Liferay 7.4 GA=7.1-fix_pack_12
Liferay 7.4 GA=7.1-fix_pack_13
Liferay 7.4 GA=7.1-fix_pack_14
Liferay 7.4 GA=7.1-fix_pack_15
Liferay 7.4 GA=7.1-fix_pack_16
Liferay 7.4 GA=7.1-fix_pack_2
Liferay 7.4 GA=7.1-fix_pack_3
Liferay 7.4 GA=7.1-fix_pack_4
Liferay 7.4 GA=7.1-fix_pack_5
Liferay 7.4 GA=7.1-fix_pack_6
Liferay 7.4 GA=7.1-fix_pack_7
Liferay 7.4 GA=7.1-fix_pack_8
Liferay 7.4 GA=7.1-fix_pack_9
Liferay 7.4 GA=7.2
Liferay 7.4 GA=7.2-fix_pack_1
Liferay 7.4 GA=7.2-fix_pack_2
Liferay 7.4 GA=7.2-fix_pack_3
Liferay 7.4 GA=7.2-fix_pack_4
Liferay 7.4 GA=7.2-fix_pack_5
Liferay 7.4 GA<7.3.0

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-15842?

    CVE-2020-15842 is classified as a high severity vulnerability due to its potential for unauthorized code execution.

  • How do I fix CVE-2020-15842?

    To fix CVE-2020-15842, upgrade to Liferay Portal version 7.3.0 or later, or apply the necessary fix packs for Liferay DXP 7.0, 7.1, and 7.2.

  • Who is affected by CVE-2020-15842?

    CVE-2020-15842 affects Liferay Portal versions prior to 7.3.0 and Liferay DXP versions before their respective fix packs.

  • What type of attack does CVE-2020-15842 enable?

    CVE-2020-15842 allows man-in-the-middle attackers to execute arbitrary code through insecure deserialization.

  • What are the impacted versions for CVE-2020-15842?

    CVE-2020-15842 impacts Liferay Portal before 7.3.0 and Liferay DXP versions 7.0 before fix pack 90, 7.1 before fix pack 17, and 7.2 before fix pack 5.

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