CVE-2017-9791

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.989 · 100 %ileexploit · weaponizedEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 6 exploits · weaponized

Likely / severe?

98.9% (100th) EPSS

CVSS 7.5 · high

Is it mine?

37 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-02-10remediate by 2022-08-10

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Apache Struts 1 Improper Input Validation Vulnerability

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

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v2.07.6highAV:N/AC:H/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · OSV

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20USCWE-20US

exploits (6)

Public proof-of-concept and weaponised exploit code.

exploit/multi/http/struts2_code_exec_showcaseApache Struts 2 Struts 1 Plugin Showcase OGNL Code Executionweaponized · metasploit
EDB-42324Apache Struts 2.3.x Showcase - Remote Code Executionfunctional · exploit_db
EDB-44643Apache Struts 2 - Struts 1 Plugin Showcase OGNL Code Execution (Metasploit)functional · exploit_db
IanSmith123/s2-048Apache struts struts 2 048, CVE-2017-9791.PoC · poc_in_github
dragoneeg/Struts2-048CVE-2017-9791PoC · poc_in_github
xfer0/CVE-2017-9791Metasploit module for Apache Struts CVE-2017-9791 Remote Code Execution VulnerabilityPoC · poc_in_github

affected products (37)

Products and version ranges known to be affected.

Apache Software Foundation Apache Struts≤ 2.3.x seriesenisa_euvdEU
Apache Software Foundation Apache Struts≤ 2.1.x seriesenisa_euvdEU
Apache Software Foundation Struts≤ 2.3.x с плагином Struts 1fstec_bduRU
apache struts= 2.3.1nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.1.1nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.1.2nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.12nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.14nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.14.1nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.14.2nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.14.3nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.15nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.15.1nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.15.2nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.15.3nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.16nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.16.1nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.16.2nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.16.3nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.20nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*

showing 20 of 37

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-29rm-6752-gvwvCode execution in Apache Struts 1 plugin2022-05-13ghsa · osvUS
The Struts 1 plugin used with 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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2017-07-10modified 2026-06-17

related (25,176)

Related entries.

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+25171 more

references (22)

External citations — patches, advisories, analysis.

scry

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