Apache Struts 2 Remote Code Execution Vulnerability Affecting Multiple Cisco Products: September 2017

2017-09-0917:00:00

tools.cisco.com

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

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.973 High

EPSS

Percentile

99.9%

JSON

On September 7, 2017, the Apache Software Foundation released a security bulletin that disclosed a vulnerability in the Freemarker tag functionality of the Apache Struts 2 package. The vulnerability could allow an unauthenticated, remote attacker to execute arbitrary code on an affected system. The Apache Software Foundation classifies the vulnerability as a Medium Severity vulnerability. For more information about this vulnerability, refer to the Details [“#details”] section of this advisory.

Multiple Cisco products incorporate a version of the Apache Struts 2 package that is affected by this vulnerability.

The following Snort rules can be used to detect possible exploitation of this vulnerability: Snort SIDs 44327 through 44330.

This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170909-struts2-rce [“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170909-struts2-rce”]