CVE-2016-3081 (GCVE-0-2016-3081)

Vulnerability from cvelistv5 – Published: 2016-04-26 14:00 – Updated: 2026-10-08 19:58
VLAI CISA Previdian
Summary
Apache Struts 2.3.19 to 2.3.20.2, 2.3.21 to 2.3.24.1, and 2.3.25 to 2.3.28, when Dynamic Method Invocation is enabled, allow remote attackers to execute arbitrary code via method: prefix, related to chained expressions.
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 17:40 UTC
CWE
  • n/a
  • CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Date Public
2016-04-19 00:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2016-3081

Status: Confirmed

Status Updated: 2026-10-08 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2026-10-08
Asserted: 2026-10-08

Scope
Notes: Apache Struts Command Injection Vulnerability | Affected: Apache / Struts | Description: Apache Struts contains a command injection vulnerability that could allow remote attackers to execute arbitrary code via method:prefix when Dynamic Method Invocation is enabled. | Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. | Due date: 2026-10-11 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://cwiki.apache.org/confluence/display/WW/S2-032 ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2016-3081

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes CWE-77
Feed CISA Known Exploited Vulnerabilities Catalog
Product Struts
Due Date 2026-10-11
Date Added 2026-10-08
Vendorproject Apache
Vulnerabilityname Apache Struts Command Injection Vulnerability
Knownransomwarecampaignuse Unknown

References

Created: 2026-10-08 18:00 UTC | Updated: 2026-10-08 18:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2016-3081

Status: Confirmed

Status Updated: 2026-07-23 09:37 UTC

Exploited: Yes


Timestamps
First Seen: 2026-07-23
Asserted: 2026-07-23

Scope
Notes: Apache Struts 2.3.19 to 2.3.20.2, 2.3.21 to 2.3.24.1, and 2.3.25 to 2.3.28, when Dynamic Method Invocation is enabled, allow remote attackers to... | Affected: Apache / Struts | CVSS: 8.1 (HIGH) | EPSS: 0.93249 | Used in malware: unknown | Not yet in CISA KEV: True

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel


Details
Feed KEVIntel (kevintel.com)
Title Apache Struts 2.3.19 to 2.3.20.2, 2.3.21 to 2.3.24.1, and 2.3.25 to 2.3.28, when Dynamic Method Invocation is enabled, allow remote attackers to...
Vendor Apache
Product Struts
Added Date 2026-07-23T09:37:25.728Z
Cvss Score 8.1
Epss Score 0.93249
Cvss Severity HIGH
Epss Percentile 0.99824
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True

References

Created: 2026-07-23 10:00 UTC | Updated: 2026-07-23 10:00 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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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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