Product of Apache

Struts

As of , 5 Apache Struts vulnerabilities are on CISA's list of exploited vulnerabilities, 1 of them used in ransomware campaigns; 0 were added in 2026. Patch first: CVE-2013-2251.

Patch first

Patch first
#VulnerabilityProductOur groupListedDeadlineEPSS
1CVE-2013-2251Improper Input ValidationApache StrutsPatch this weekMetasploit module; EPSS 0.99; verified Exploit-DB entry0.99
2CVE-2017-5638Remote Code ExecutionApache StrutsPatch this weekRansomware use; Metasploit module; EPSS 0.99; verified Exploit-DB entry0.99
3CVE-2018-11776Remote Code ExecutionApache StrutsPatch this weekMetasploit module; EPSS 0.99; verified Exploit-DB entry0.99
4CVE-2017-9805Deserialization of Untrusted DataApache StrutsPatch this weekMetasploit module; EPSS 0.990.99
5CVE-2020-17530Remote Code ExecutionApache StrutsPatch this weekMetasploit module; EPSS 0.960.96

Added each year

12342021: 4420212022: 1120222023: nonenone20232024: nonenone20242025: nonenone20252026: nonenone2026
Entries CISA added each year, removed ones included. Source: CISA KEV.
Show the numbers
Periodentries added
20214
20221
2023none
2024none
2025none
2026none

Used in ransomware