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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…
Critical9.8Known exploitedEPSS 98.9%
- Published
- Updated
- Reserved
- Assigned by
- apache
Description
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Apache Struts 1 Improper Input Validation Vulnerability.
- Added
- 10 Feb 2022
- Fix due (US federal)
- 10 Aug 2022
- Used by ransomware
- Not known
Apply updates per vendor instructions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 98.9% · top 0.1% of all CVEs (4 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- Remote Code Execution
- CWE-20 Improper Input Validation (opens in a new tab)All about CWE-20 and its CVEs
Affected products
Apache Software Foundation · Apache Struts
- affected 2.1.x series
- affected 2.3.x series
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.apache.struts:struts2-struts1-pluginGHSA-29rm-6752-gvwv (opens in a new tab)
References (8)
- http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 99484 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 42324 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- http://struts.apache.org/docs/s2-048.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1038838 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 44643 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://security.netapp.com/advisory/ntap-20180706-0002/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9791 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-29rm-6752-gvwv (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2017-9791)Record last updated .