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CVE-2017-9791 (GCVE-0-2017-9791)

Vulnerability from cvelistv5 – Published: 2017-07-10 16:00 – Updated: 2025-10-21 23:55
VLAI CISA Previdian
Summary
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.
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-06 21:07 UTC
CWE
  • Remote Code Execution
  • CWE-20 - Improper Input Validation
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache Struts Affected: 2.1.x series
Affected: 2.3.x series
guessed Create a notification for this product.
Date Public
2017-07-07 00:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2017-9791

Status: Confirmed

Status Updated: 2022-02-10 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2022-02-10
Asserted: 2022-02-10

Scope
Notes: KEV entry: Apache Struts 1 Improper Input Validation Vulnerability | Affected: Apache / Struts 1 | Description: The Struts 1 plugin in Apache Struts might allow remote code execution via a malicious field value passed in a raw message to the ActionMessage. | Required action: Apply updates per vendor instructions. | Due date: 2022-08-10 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2017-9791

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes CWE-20
Feed CISA Known Exploited Vulnerabilities Catalog
Product Struts 1
Due Date 2022-08-10
Date Added 2022-02-10
Vendorproject Apache
Vulnerabilityname Apache Struts 1 Improper Input Validation Vulnerability
Knownransomwarecampaignuse Unknown

References

Created: 2026-02-02 12:28 UTC | Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2017-9791

Status: Confirmed

Status Updated: 2022-02-10 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2022-02-10
Asserted: 2022-02-10

Scope
Notes: KEVIntel entry: 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... | Affected: Apache Software Foundation / Apache Struts | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: False

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel


Details
Feed KEVIntel (kevintel.com)
Title 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...
Vendor Apache Software Foundation
Product Apache Struts
Added Date 2022-02-10T00:00:00.000Z
Cvss Score 9.8
Epss Score None
Cvss Severity CRITICAL
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False

References

Created: 2026-06-23 14:04 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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