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nvd[email protected]NVD:CVE-2020-1938
HistoryFeb 24, 2020 - 10:15 p.m.

CVE-2020-1938

2020-02-2422:15:12
[email protected]
web.nvd.nist.gov
2

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.9 High

AI Score

Confidence

High

0.974 High

EPSS

Percentile

99.9%

JSON

When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat. Tomcat treats AJP connections as having higher trust than, for example, a similar HTTP connection. If such connections are available to an attacker, they can be exploited in ways that may be surprising. In Apache Tomcat 9.0.0.M1 to 9.0.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99, Tomcat shipped with an AJP Connector enabled by default that listened on all configured IP addresses. It was expected (and recommended in the security guide) that this Connector would be disabled if not required. This vulnerability report identified a mechanism that allowed: - returning arbitrary files from anywhere in the web application - processing any file in the web application as a JSP Further, if the web application allowed file upload and stored those files within the web application (or the attacker was able to control the content of the web application by some other means) then this, along with the ability to process a file as a JSP, made remote code execution possible. It is important to note that mitigation is only required if an AJP port is accessible to untrusted users. Users wishing to take a defence-in-depth approach and block the vector that permits returning arbitrary files and execution as JSP may upgrade to Apache Tomcat 9.0.31, 8.5.51 or 7.0.100 or later. A number of changes were made to the default AJP Connector configuration in 9.0.31 to harden the default configuration. It is likely that users upgrading to 9.0.31, 8.5.51 or 7.0.100 or later will need to make small changes to their configurations.

Affected configurations

NVD
Node
apachegeodeMatch1.12.0
OR
apachetomcatRange7.0.0–7.0.99
OR
apachetomcatRange8.5.0–8.5.50
OR
apachetomcatRange9.0.0–9.0.30
Node
fedoraprojectfedoraMatch30
OR
fedoraprojectfedoraMatch31
OR
fedoraprojectfedoraMatch32
Node
oracleagile_engineering_data_managementMatch6.2.1.0
OR
oracleagile_plmMatch9.3.3
OR
oracleagile_plmMatch9.3.5
OR
oracleagile_plmMatch9.3.6
OR
oraclecommunications_element_managerMatch8.1.1
OR
oraclecommunications_element_managerMatch8.2.0
OR
oraclecommunications_element_managerMatch8.2.1
OR
oraclecommunications_instant_messaging_serverMatch10.0.1.4.0
OR
oraclehealth_sciences_empirica_inspectionsMatch1.0.1.2
OR
oraclehealth_sciences_empirica_signalMatch7.3.3
OR
oraclehospitality_guest_accessMatch4.2.0
OR
oraclehospitality_guest_accessMatch4.2.1
OR
oracleinstantis_enterprisetrackRange17.1–17.3
OR
oraclemysql_enterprise_monitorRange≤4.0.12
OR
oraclemysql_enterprise_monitorRange8.0.0–8.0.20
OR
oraclesiebel_ui_frameworkRange≤20.5
OR
oracletransportation_managementMatch6.3.7
OR
oracleworkload_managerMatch12.2.0.1
OR
oracleworkload_managerMatch18c
OR
oracleworkload_managerMatch19c
Node
debiandebian_linuxMatch8.0
OR
debiandebian_linuxMatch9.0
OR
debiandebian_linuxMatch10.0
Node
opensuseleapMatch15.1
Node
blackberrygood_controlRange≤5.2.58.38
OR
blackberryworkspaces_serverMatch7.0.1
OR
blackberryworkspaces_serverMatch7.1.2
OR
blackberryworkspaces_serverMatch8.1.0
OR
blackberryworkspaces_serverMatch9.0

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7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.9 High

AI Score

Confidence

High

0.974 High

EPSS

Percentile

99.9%

JSON
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