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Vulnerability Details : CVE-2020-9484

When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the PersistenceManager is configured with sessionAttributeValueClassNameFilter="null" (the default unless a SecurityManager is used) or a sufficiently lax filter to allow the attacker provided object to be deserialized; and d) the attacker knows the relative file path from the storage location used by FileStore to the file the attacker has control over; then, using a specifically crafted request, the attacker will be able to trigger remote code execution via deserialization of the file under their control. Note that all of conditions a) to d) must be true for the attack to succeed.
Publish Date : 2020-05-20 Last Update Date : 2022-07-25
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- CVSS Scores & Vulnerability Types

CVSS Score
4.4
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 502

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:2529: tomcat6 security update (Important) oval:com.redhat.rhsa:def:20202529 unix
RHSA-2020:2530: tomcat security update (Important) oval:com.redhat.rhsa:def:20202530 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2020-9484

# Product Type Vendor Product Version Update Edition Language
1 Application Apache Tomcat * * * * Version Details Vulnerabilities
2 Application Apache Tomcat 9.0.0 Milestone16 * * Version Details Vulnerabilities
3 Application Apache Tomcat 9.0.0 Milestone26 * * Version Details Vulnerabilities
4 Application Apache Tomcat 9.0.0 Milestone11 * * Version Details Vulnerabilities
5 Application Apache Tomcat 9.0.0 Milestone21 * * Version Details Vulnerabilities
6 Application Apache Tomcat 9.0.0 Milestone7 * * Version Details Vulnerabilities
7 Application Apache Tomcat 9.0.0 Milestone17 * * Version Details Vulnerabilities
8 Application Apache Tomcat 9.0.0 Milestone27 * * Version Details Vulnerabilities
9 Application Apache Tomcat 9.0.0 Milestone12 * * Version Details Vulnerabilities
10 Application Apache Tomcat 9.0.0 Milestone22 * * Version Details Vulnerabilities
11 Application Apache Tomcat 9.0.0 Milestone8 * * Version Details Vulnerabilities
12 Application Apache Tomcat 9.0.0 Milestone18 * * Version Details Vulnerabilities
13 Application Apache Tomcat 9.0.0 Milestone3 * * Version Details Vulnerabilities
14 Application Apache Tomcat 9.0.0 Milestone13 * * Version Details Vulnerabilities
15 Application Apache Tomcat 9.0.0 Milestone9 * * Version Details Vulnerabilities
16 Application Apache Tomcat 9.0.0 Milestone23 * * Version Details Vulnerabilities
17 Application Apache Tomcat 9.0.0 Milestone19 * * Version Details Vulnerabilities
18 Application Apache Tomcat 9.0.0 Milestone4 * * Version Details Vulnerabilities
19 Application Apache Tomcat 9.0.0 Milestone14 * * Version Details Vulnerabilities
20 Application Apache Tomcat 9.0.0 Milestone1 * * Version Details Vulnerabilities
21 Application Apache Tomcat 9.0.0 Milestone24 * * Version Details Vulnerabilities
22 Application Apache Tomcat 9.0.0 Milestone2 * * Version Details Vulnerabilities
23 Application Apache Tomcat 9.0.0 Milestone5 * * Version Details Vulnerabilities
24 Application Apache Tomcat 9.0.0 Milestone15 * * Version Details Vulnerabilities
25 Application Apache Tomcat 9.0.0 Milestone25 * * Version Details Vulnerabilities
26 Application Apache Tomcat 9.0.0 Milestone10 * * Version Details Vulnerabilities
27 Application Apache Tomcat 9.0.0 Milestone20 * * Version Details Vulnerabilities
28 Application Apache Tomcat 9.0.0 Milestone6 * * Version Details Vulnerabilities
29 Application Apache Tomcat 10.0.0 Milestone2 * * Version Details Vulnerabilities
30 Application Apache Tomcat 10.0.0 Milestone1 * * Version Details Vulnerabilities
31 Application Apache Tomcat 10.0.0 Milestone3 * * Version Details Vulnerabilities
32 Application Apache Tomcat 10.0.0 Milestone4 * * Version Details Vulnerabilities
33 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
34 OS Canonical Ubuntu Linux 20.04 * * * Version Details Vulnerabilities
35 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
36 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
37 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
38 OS Fedoraproject Fedora 31 * * * Version Details Vulnerabilities
39 OS Fedoraproject Fedora 32 * * * Version Details Vulnerabilities
40 Application Mcafee Epolicy Orchestrator 5.9.0 * * * Version Details Vulnerabilities
41 Application Mcafee Epolicy Orchestrator 5.9.1 * * * Version Details Vulnerabilities
42 Application Mcafee Epolicy Orchestrator 5.10.0 Update 2 * * Version Details Vulnerabilities
43 Application Mcafee Epolicy Orchestrator 5.10.0 Update 3 * * Version Details Vulnerabilities
44 Application Mcafee Epolicy Orchestrator 5.10.0 - * * Version Details Vulnerabilities
45 Application Mcafee Epolicy Orchestrator 5.10.0 Update 1 * * Version Details Vulnerabilities
46 OS Opensuse Leap 15.1 * * * Version Details Vulnerabilities
47 Application Oracle Agile Engineering Data Management 6.2.1.0 * * * Version Details Vulnerabilities
48 Application Oracle Agile Plm 9.3.3 * * * Version Details Vulnerabilities
49 Application Oracle Agile Plm 9.3.5 * * * Version Details Vulnerabilities
50 Application Oracle Agile Plm 9.3.6 * * * Version Details Vulnerabilities
51 Application Oracle Communications Cloud Native Core Binding Support Function 1.10.0 * * * Version Details Vulnerabilities
52 Application Oracle Communications Cloud Native Core Policy 1.14.0 * * * Version Details Vulnerabilities
53 Application Oracle Communications Diameter Signaling Router * * * * Version Details Vulnerabilities
54 Application Oracle Communications Element Manager * * * * Version Details Vulnerabilities
55 Application Oracle Communications Instant Messaging Server 10.0.1.4.0 * * * Version Details Vulnerabilities
56 Application Oracle Communications Session Report Manager * * * * Version Details Vulnerabilities
57 Application Oracle Communications Session Route Manager * * * * Version Details Vulnerabilities
58 Application Oracle Database 12.2.0.1 * * * Version Details Vulnerabilities
59 Application Oracle Database 19C * * * Version Details Vulnerabilities
60 Application Oracle Database 21C * * * Version Details Vulnerabilities
61 Application Oracle Fmw Platform 12.2.1.3.0 * * * Version Details Vulnerabilities
62 Application Oracle Fmw Platform 12.2.1.4.0 * * * Version Details Vulnerabilities
63 Application Oracle Hospitality Guest Access 4.2.0 * * * Version Details Vulnerabilities
64 Application Oracle Hospitality Guest Access 4.2.1 * * * Version Details Vulnerabilities
65 Application Oracle Instantis Enterprisetrack * * * * Version Details Vulnerabilities
66 Application Oracle Managed File Transfer 12.2.1.3.0 * * * Version Details Vulnerabilities
67 Application Oracle Managed File Transfer 12.2.1.4.0 * * * Version Details Vulnerabilities
68 Application Oracle Mysql Enterprise Monitor * * * * Version Details Vulnerabilities
69 Application Oracle Retail Order Broker 15.0 * * * Version Details Vulnerabilities
70 Application Oracle Siebel Apps - Marketing * * * * Version Details Vulnerabilities
71 Application Oracle Siebel Ui Framework * * * * Version Details Vulnerabilities
72 Application Oracle Transportation Management 6.3.7 * * * Version Details Vulnerabilities
73 Application Oracle Workload Manager 12.2.0.1 * * * Version Details Vulnerabilities
74 Application Oracle Workload Manager 18C * * * Version Details Vulnerabilities
75 Application Oracle Workload Manager 19C * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apache Tomcat 32
Canonical Ubuntu Linux 2
Debian Debian Linux 3
Fedoraproject Fedora 2
Mcafee Epolicy Orchestrator 6
Opensuse Leap 1
Oracle Agile Engineering Data Management 1
Oracle Agile Plm 3
Oracle Communications Cloud Native Core Binding Support Function 1
Oracle Communications Cloud Native Core Policy 1
Oracle Communications Diameter Signaling Router 1
Oracle Communications Element Manager 1
Oracle Communications Instant Messaging Server 1
Oracle Communications Session Report Manager 1
Oracle Communications Session Route Manager 1
Oracle Database 3
Oracle Fmw Platform 2
Oracle Hospitality Guest Access 2
Oracle Instantis Enterprisetrack 1
Oracle Managed File Transfer 2
Oracle Mysql Enterprise Monitor 1
Oracle Retail Order Broker 1
Oracle Siebel Apps - Marketing 1
Oracle Siebel Ui Framework 1
Oracle Transportation Management 1
Oracle Workload Manager 3

- References For CVE-2020-9484

https://lists.debian.org/debian-lts-announce/2020/05/msg00026.html
MLIST [debian-lts-announce] 20200528 [SECURITY] [DLA 2209-1] tomcat8 security update
https://www.oracle.com/security-alerts/cpujul2022.html
N/A N/A
https://www.oracle.com//security-alerts/cpujul2021.html
N/A N/A
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
MLIST [tomcat-dev] 20200527 Re: [SECURITY] CVE-2020-9484 Apache Tomcat Remote Code Execution via session persistence
https://security.netapp.com/advisory/ntap-20200528-0005/ CONFIRM
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
MLIST [tomcat-dev] 20210712 svn commit: r1891484 - in /tomcat/site/trunk: docs/security-10.html docs/security-7.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-7.xml xdocs/security-8.xml xdocs/security-9.xml
https://lists.apache.org/thread.html/[email protected]%3Cusers.tomcat.apache.org%3E
MLIST [tomcat-users] 20210702 Re: CVE-2021-25329, was Re: Most recent security-related update to 8.5
https://lists.apache.org/thread.html/[email protected]%3Cusers.tomcat.apache.org%3E
MLIST [tomcat-users] 20210701 Re: What is "h2c"? What is CVE-2021-25329? Re: Most recent security-related update to 8.5
https://lists.apache.org/thread.html/[email protected]%3Cusers.tomcat.apache.org%3E
MLIST [tomcat-users] 20210701 What is "h2c"? What is CVE-2021-25329? Re: Most recent security-related update to 8.5
https://lists.apache.org/thread.html/[email protected]%3Ccommits.tomee.apache.org%3E
MLIST [tomee-commits] 20210522 [jira] [Closed] (TOMEE-2909) Impact of security vulnerability(CVE-2020-9484) on TOMEE plus (7.0.7)
https://www.oracle.com/security-alerts/cpuApr2021.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://usn.ubuntu.com/4596-1/
UBUNTU USN-4596-1
https://www.oracle.com/security-alerts/cpujan2021.html
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
MLIST [tomcat-dev] 20210301 svn commit: r1887027 - in /tomcat/site/trunk: docs/security-10.html docs/security-7.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-7.xml xdocs/security-8.xml xdocs/security-9.xml
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
MLIST [tomcat-dev] 20210301 [SECURITY] CVE-2021-25329 Apache Tomcat Incomplete fix for CVE-2020-9484 (RCE via session persistence)
https://lists.apache.org/thread.html/[email protected]%3Cannounce.tomcat.apache.org%3E
MLIST [tomcat-announce] 20210301 [SECURITY] CVE-2021-25329 Apache Tomcat Incomplete fix for CVE-2020-9484 (RCE via session persistence)
https://lists.apache.org/thread.html/[email protected]%3Cannounce.apache.org%3E
MLIST [announce] 20210301 [SECURITY] CVE-2021-25329 Apache Tomcat Incomplete fix for CVE-2020-9484 (RCE via session persistence)
https://security.gentoo.org/glsa/202006-21
GENTOO GLSA-202006-21
https://lists.fedoraproject.org/archives/list/[email protected]/message/WJ7XHKWJWDNWXUJH6UB7CLIW4TWOZ26N/
FEDORA FEDORA-2020-ce396e7d5c
https://lists.fedoraproject.org/archives/list/[email protected]/message/GIQHXENTLYUNOES4LXVNJ2NCUQQRF5VJ/
FEDORA FEDORA-2020-d9169235a8
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
MLIST [tomcat-dev] 20200625 svn commit: r1879208 - in /tomcat/site/trunk: docs/security-10.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-8.xml xdocs/security-9.xml
https://lists.debian.org/debian-lts-announce/2020/07/msg00010.html
MLIST [debian-lts-announce] 20200712 [SECURITY] [DLA 2279-1] tomcat8 security update
https://lists.apache.org/thread.html/[email protected]%3Cusers.tomcat.apache.org%3E
MLIST [tomcat-users] 20200524 Re: [SECURITY] CVE-2020-9484 Apache Tomcat Remote Code Execution via session persistence
https://www.oracle.com/security-alerts/cpuoct2021.html
http://www.openwall.com/lists/oss-security/2021/03/01/2
MLIST [oss-security] 20210301 CVE-2021-25329: Apache Tomcat Incomplete fix for CVE-2020-9484
https://lists.apache.org/thread.html/[email protected]%3Cusers.tomcat.apache.org%3E
MLIST [tomcat-users] 20210301 [SECURITY] CVE-2021-25329 Apache Tomcat Incomplete fix for CVE-2020-9484 (RCE via session persistence)
https://lists.apache.org/thread.html/[email protected]%3Ccommits.tomee.apache.org%3E
MLIST [tomee-commits] 20201013 [jira] [Created] (TOMEE-2909) Impact of security vulnerability(CVE-2020-9484) on TOMEE plus (7.0.7)
https://lists.apache.org/thread.html/[email protected]%3Cusers.tomcat.apache.org%3E
MLIST [tomcat-users] 20200521 Re: [SECURITY] CVE-2020-9484 Apache Tomcat Remote Code Execution via session persistence
https://lists.apache.org/thread.html/[email protected]%3Ccommits.tomee.apache.org%3E
MLIST [tomee-commits] 20201013 [jira] [Commented] (TOMEE-2909) Impact of security vulnerability(CVE-2020-9484) on TOMEE plus (7.0.7)
http://packetstormsecurity.com/files/157924/Apache-Tomcat-CVE-2020-9484-Proof-Of-Concept.html
https://kc.mcafee.com/corporate/index?page=content&id=SB10332 CONFIRM
https://lists.apache.org/thread.html/[email protected]%3Ccommits.tomee.apache.org%3E
MLIST [tomee-commits] 20201013 [jira] [Updated] (TOMEE-2909) Impact of security vulnerability(CVE-2020-9484) on TOMEE plus (7.0.7)
https://lists.apache.org/thread.html/[email protected]%3Ccommits.tomee.apache.org%3E
MLIST [tomee-commits] 20201013 [jira] [Assigned] (TOMEE-2909) Impact of security vulnerability(CVE-2020-9484) on TOMEE plus (7.0.7)
https://www.debian.org/security/2020/dsa-4727
DEBIAN DSA-4727
https://lists.debian.org/debian-lts-announce/2020/05/msg00020.html
MLIST [debian-lts-announce] 20200523 [SECURITY] [DLA 2217-1] tomcat7 security update
https://www.oracle.com/security-alerts/cpujan2022.html
http://seclists.org/fulldisclosure/2020/Jun/6
FULLDISC 20200602 [CVE-2020-9484] Apache Tomcat RCE via PersistentManager
https://www.oracle.com/security-alerts/cpujul2020.html
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00057.html
SUSE openSUSE-SU-2020:0711
https://usn.ubuntu.com/4448-1/
UBUNTU USN-4448-1
https://lists.apache.org/thread.html/r77eae567ed829da9012cadb29af17f2df8fa23bf66faf88229857bb1%40%3Cannounce.tomcat.apache.org%3E

- Metasploit Modules Related To CVE-2020-9484

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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