Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2020-9484

CWE-502 — Deserialization of Untrusted DataCWE-36730 documents12 sources
Severity
7.0HIGH
EPSS
93.3%
top 0.19%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
27
Apache TomcatOracle Communications Diameter Signaling RouterOracle Communications Element Manager+24 more
Timeline
PublishedMay 20
Latest updateAug 1

Description

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 deserial…

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages30 packages

▶NVDoracle/managed_file_transfer12.2.1.3.0, 12.2.1.4.0+1
▶NVDapache/tomcat7.0.0 — 7.0.108+4
▶Mavenorg.apache.tomcat:tomcat-catalina10.0.0-M1 — 10.0.0-M5+3
▶CVEListV5apache_tomcatApache Tomcat 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54, 7.0.0 to 7.0.103

Also affects: Debian Linux 10.0, 8.0, 9.0, Fedora 31, 32, Ubuntu Linux 16.04, 20.04

Patches

Patch: lists.apache.org ↗Patch: www.oracle.com ↗Patch: www.oracle.com ↗

🔴Vulnerability Details

10
OSV
tomcat8, tomcat9 vulnerabilities↗2024-08-01
▶
OSV
tomcat vulnerabilities↗2024-07-23
▶
OSV
tomcat9 vulnerabilities↗2022-03-31
▶
GHSA
Race condition in Apache Tomcat↗2022-02-01
▶
GHSA
Potential remote code execution in Apache Tomcat↗2021-03-19
▶

💥Exploits & PoCs

1
Nuclei
Apache Tomcat Remote Command Execution
▶

🔍Detection Rules

1
Suricata
ET EXPLOIT Attempted Directory Traversal via HTTP Cookie (CVE-2020-9484)↗2020-06-05
▶

📋Vendor Advisories

15
Ubuntu
Tomcat vulnerabilities↗2024-08-01
▶
Ubuntu
Tomcat vulnerabilities↗2024-07-23
▶
Ubuntu
Tomcat vulnerabilities↗2022-03-31
▶
Red Hat
tomcat: local privilege escalation vulnerability↗2022-01-26
▶
Oracle
Oracle Oracle Siebel CRM Risk Matrix: Marketing (Apache Tomcat) — CVE-2020-9484↗2021-10-15
▶

💬Community

2
Bugzilla
CVE-2020-9484 tomcat: deserialization flaw in session persistence storage leading to RCE [fedora-all]↗2020-05-22
▶
Bugzilla
CVE-2020-9484 tomcat: deserialization flaw in session persistence storage leading to RCE↗2020-05-20
▶
CVE-2020-9484 (HIGH CVSS 7) | When using Apache Tomcat versions 1 | cvebase.io