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CVE-2016-4461

Good to know:

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Date: October 16, 2017

Apache Struts 2.x before 2.3.29 allows remote attackers to execute arbitrary code via a "%{}" sequence in a tag attribute, aka forced double OGNL evaluation. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-0785.

Language: Java

Severity Score

Related Resources (7)

https://security.netapp.com/advisory/ntap-20180629-0004/
https://github.com/apache/struts
https://nvd.nist.gov/vuln/detail/CVE-2016-4461
https://security.netapp.com/advisory/ntap-20180629-0004
http://www.securityfocus.com/bid/91277
https://struts.apache.org/docs/s2-036.html
https://www.mend.io/vulnerability-database/CVE-2016-4461

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-74

Top Fix

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Upgrade to version org.apache.struts:struts2-core:2.3.29

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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