High severity · published Sep 20, 2017
CVE-2017-9804
In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare…
7.5
CVSS
8.2%
EPSS
No
On KEV
Description
In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL. NOTE: this vulnerability exists because of an incomplete fix for S2-047 / CVE-2017-7672.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.2% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ST
Struts · Apache
2.3.7; 2.3.8; 2.3.9; 2.3.10; 2.3.11; 2.3.12; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-9804
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-9804
Third Party Advisory
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-003.txt
Patch
http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
Third Party Advisory
http://www.securityfocus.com/bid/100612
Third Party Advisory
http://www.securitytracker.com/id/1039261
security.netapp.com
https://security.netapp.com/advisory/ntap-20180629-0001/
Patch
https://struts.apache.org/docs/s2-050.html
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