medium
4.3
CWE
502 755 248
Advisory Published
CVE Published
CVE Published
Updated

CVE-2020-2756

First published: Sun Apr 12 2020(Updated: )

A flaw was found in the Serialization component of OpenJDK. A reference to an uninitialized class descriptor encountered during object stream deserialization could cause an unexpected exception to be raised when processing an untrusted serialized input.

Credit: secalert_us@oracle.com

Affected SoftwareAffected VersionHow to fix
redhat/java<1.8.0-openjdk-1:1.8.0.252.b09-2.el6_10
1.8.0-openjdk-1:1.8.0.252.b09-2.el6_10
redhat/java<1.7.0-openjdk-1:1.7.0.261-2.6.22.1.el6_10
1.7.0-openjdk-1:1.7.0.261-2.6.22.1.el6_10
redhat/java<1.7.1-ibm-1:1.7.1.4.65-1jpp.1.el6_10
1.7.1-ibm-1:1.7.1.4.65-1jpp.1.el6_10
redhat/java<1.8.0-ibm-1:1.8.0.6.10-1jpp.1.el6_10
1.8.0-ibm-1:1.8.0.6.10-1jpp.1.el6_10
redhat/java<1.7.0-openjdk-1:1.7.0.261-2.6.22.2.el7_8
1.7.0-openjdk-1:1.7.0.261-2.6.22.2.el7_8
redhat/java<11-openjdk-1:11.0.7.10-4.el7_8
11-openjdk-1:11.0.7.10-4.el7_8
redhat/java<1.8.0-openjdk-1:1.8.0.252.b09-2.el7_8
1.8.0-openjdk-1:1.8.0.252.b09-2.el7_8
redhat/java<1.8.0-ibm-1:1.8.0.6.10-1jpp.1.el7
1.8.0-ibm-1:1.8.0.6.10-1jpp.1.el7
redhat/java<1.7.1-ibm-1:1.7.1.4.65-1jpp.1.el7
1.7.1-ibm-1:1.7.1.4.65-1jpp.1.el7
redhat/java<11-openjdk-1:11.0.7.10-1.el8_1
11-openjdk-1:11.0.7.10-1.el8_1
redhat/java<1.8.0-openjdk-1:1.8.0.252.b09-2.el8_1
1.8.0-openjdk-1:1.8.0.252.b09-2.el8_1
redhat/java<1.8.0-ibm-1:1.8.0.6.10-1.el8_2
1.8.0-ibm-1:1.8.0.6.10-1.el8_2
redhat/java<1.8.0-openjdk-1:1.8.0.252.b09-2.el8_0
1.8.0-openjdk-1:1.8.0.252.b09-2.el8_0
redhat/java<11-openjdk-1:11.0.7.10-1.el8_0
11-openjdk-1:11.0.7.10-1.el8_0
debian/openjdk-11
11.0.24+8-2~deb11u1
11.0.25~5ea-1
debian/openjdk-8
8u422-b05-1
IBM Engineering Requirements Quality Assistant<=All
Oracle OpenJDK 1.8.0=1.7.0-update251
Oracle OpenJDK 1.8.0=1.8.0-update241
Oracle OpenJDK 1.8.0=11.0.6
Oracle OpenJDK 1.8.0=14.0.0
Oracle JRE=1.7.0-update251
Oracle JRE=1.8.0-update241
Oracle JRE=11.0.6
Oracle JRE=14.0.0
OpenJDK 8>=11<=11.0.6
OpenJDK 8>=13<=13.0.2
OpenJDK 8=7
OpenJDK 8=7-update1
OpenJDK 8=7-update10
OpenJDK 8=7-update101
OpenJDK 8=7-update11
OpenJDK 8=7-update111
OpenJDK 8=7-update121
OpenJDK 8=7-update13
OpenJDK 8=7-update131
OpenJDK 8=7-update141
OpenJDK 8=7-update15
OpenJDK 8=7-update151
OpenJDK 8=7-update161
OpenJDK 8=7-update17
OpenJDK 8=7-update171
OpenJDK 8=7-update181
OpenJDK 8=7-update191
OpenJDK 8=7-update2
OpenJDK 8=7-update201
OpenJDK 8=7-update21
OpenJDK 8=7-update211
OpenJDK 8=7-update221
OpenJDK 8=7-update231
OpenJDK 8=7-update241
OpenJDK 8=7-update25
OpenJDK 8=7-update251
OpenJDK 8=7-update3
OpenJDK 8=7-update4
OpenJDK 8=7-update40
OpenJDK 8=7-update45
OpenJDK 8=7-update5
OpenJDK 8=7-update51
OpenJDK 8=7-update55
OpenJDK 8=7-update6
OpenJDK 8=7-update60
OpenJDK 8=7-update65
OpenJDK 8=7-update67
OpenJDK 8=7-update7
OpenJDK 8=7-update72
OpenJDK 8=7-update76
OpenJDK 8=7-update80
OpenJDK 8=7-update85
OpenJDK 8=7-update9
OpenJDK 8=7-update91
OpenJDK 8=7-update95
OpenJDK 8=7-update97
OpenJDK 8=7-update99
OpenJDK 8=8
OpenJDK 8=8-update101
OpenJDK 8=8-update102
OpenJDK 8=8-update11
OpenJDK 8=8-update111
OpenJDK 8=8-update112
OpenJDK 8=8-update121
OpenJDK 8=8-update131
OpenJDK 8=8-update141
OpenJDK 8=8-update151
OpenJDK 8=8-update152
OpenJDK 8=8-update161
OpenJDK 8=8-update162
OpenJDK 8=8-update171
OpenJDK 8=8-update172
OpenJDK 8=8-update181
OpenJDK 8=8-update191
OpenJDK 8=8-update192
OpenJDK 8=8-update20
OpenJDK 8=8-update201
OpenJDK 8=8-update202
OpenJDK 8=8-update211
OpenJDK 8=8-update212
OpenJDK 8=8-update221
OpenJDK 8=8-update231
OpenJDK 8=8-update241
OpenJDK 8=8-update25
OpenJDK 8=8-update31
OpenJDK 8=8-update40
OpenJDK 8=8-update45
OpenJDK 8=8-update5
OpenJDK 8=8-update51
OpenJDK 8=8-update60
OpenJDK 8=8-update65
OpenJDK 8=8-update66
OpenJDK 8=8-update71
OpenJDK 8=8-update72
OpenJDK 8=8-update73
OpenJDK 8=8-update74
OpenJDK 8=8-update77
OpenJDK 8=8-update91
OpenJDK 8=8-update92
OpenJDK 8=14
NetApp 7-Mode Transition Tool
NetApp Active IQ Unified Manager>=7.3
NetApp Active IQ Unified Manager>=9.5
NetApp Cloud Backup
NetApp Cloud Secure Agent
NetApp E-Series Performance Analyzer
NetApp E-Series SANtricity OS Controller>=11.0.0<=11.70.2
NetApp E-Series SANtricity Web Services
NetApp OnCommand Insight
NetApp E-Series SANtricity Unified Manager
NetApp SnapManager for SAP
NetApp SnapManager for Oracle
NetApp SteelStore Cloud Integrated Storage
NetApp StorageGrid>=9.0.0<=9.0.4
NetApp StorageGrid
Fedora=30
Fedora=31
Fedora=32
Debian=8.0
Debian=9.0
Debian=10.0
Ubuntu=16.04
Ubuntu=18.04
Ubuntu=19.10
SUSE Linux=15.1
SUSE Linux=15.2
Trellix ePolicy Orchestrator>=5.9.0<5.10.0
Trellix ePolicy Orchestrator=5.10.0-update_1
Trellix ePolicy Orchestrator=5.10.0-update_2
Trellix ePolicy Orchestrator=5.10.0-update_3
Trellix ePolicy Orchestrator=5.10.0-update_4
Trellix ePolicy Orchestrator=5.10.0-update_5
Trellix ePolicy Orchestrator=5.10.0-update_6
Trellix ePolicy Orchestrator=5.10.0-update_7
Trellix ePolicy Orchestrator=5.10.0-update_8

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID for this vulnerability is CVE-2020-2756.

  • What is the severity level of CVE-2020-2756?

    The severity level of CVE-2020-2756 is low with a severity value of 3.7.

  • Which versions of Java SE are affected by CVE-2020-2756?

    The affected versions of Java SE are 7u251, 8u241, 11.0.6, and 14.

  • How can an attacker exploit CVE-2020-2756?

    An unauthenticated attacker with network access can exploit CVE-2020-2756.

  • Where can I find more information about CVE-2020-2756?

    You can find more information about CVE-2020-2756 at the following references: [Link1](https://www.oracle.com/security-alerts/cpuapr2020.html#AppendixJAVA) [Link2](https://access.redhat.com/errata/RHSA-2020:1508) [Link3](https://access.redhat.com/errata/RHSA-2020:1507)

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