CVE-2017-9791

The Struts 1 plugin in Apache Struts 2.1.x and 2.3.x might allow remote code execution via a malicious field value passed in a raw message to the ActionMessage.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H

CVSS v2.0

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

98.91% chance of exploitation in the next 30 days, 100th percentile

CISA KEV

added 2022-02-10

Nuclei

critical · CWE-20

Published

2017-07-10

Updated

2025-10-21

Proof-of-concept exploits (3)

• IanSmith123/s2-0482★ · 2017-07-07
• dragoneeg/Struts2-04827★ · 2017-07-08
• xfer0/CVE-2017-97910★ · 2019-05-02

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2017/CVE-2017-9791.yaml

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/struts2_code_exec_sho…

ExploitDB entries (2)

• https://www.exploit-db.com/exploits/44643
• https://www.exploit-db.com/exploits/42324

Exploit collections (1)

• zan8in/afrog/blob/main/pocs/afrog-pocs/CVE/2017/CVE-2017-9791.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2020-27955
• CVE-2017-9781
• CVE-2017-9798
• CVE-2017-9779
• CVE-2017-9805
• CVE-2017-9769