Apache Struts 2.5.x < Json-lib JSON Parsing Unspecified DoS (S2-054) (S2-055)

critical Nessus Plugin ID 105005
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


A web application running on the remote host uses a Java framework that is affected by multiple vulnerabilities.


The version of Apache Struts running on the remote host is 2.5.x prior to It is, therefore, affected by an unspecified flaw that is triggered when parsing JSON. This allows a remote attacker to cause a denial of service.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.


Upgrade to Apache Struts version or later or apply the workaround as referenced in the vendor's security bulletin.

See Also




Plugin Details

Severity: Critical

ID: 105005

File Name: struts_2_5_14_1.nasl

Version: 1.13

Type: combined

Agent: windows, macosx, unix

Family: Misc.

Published: 12/4/2017

Updated: 9/25/2020

Dependencies: os_fingerprint.nasl, struts_detect_win.nbin, struts_detect_nix.nbin, struts_config_browser_detect.nbin

Risk Information

CVSS Score Source: CVE-2017-7525


Risk Factor: High

Score: 7.4


Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

Temporal Vector: E:POC/RL:OF/RC:C


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

Temporal Vector: E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:apache:struts

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/29/2017

Vulnerability Publication Date: 11/29/2017

Reference Information

CVE: CVE-2017-7525, CVE-2017-15707

BID: 99623, 102021