CVE-2022-4995 (GCVE-0-2022-4995)

Vulnerability from cvelistv5 – Published: 2026-08-07 14:39 – Updated: 2026-08-14 16:49 X_Known Exploited Vulnerability
VLAI Shadowserver Previdian
Title
Weaver E-cology 9.0 File Upload RCE via uploaderOperate.jsp
Summary
Weaver (Fanwei) E-cology 9.0 versions prior to 10.52 contain a file upload vulnerability that allows a remote, unauthenticated attacker to upload arbitrary files, including JSP webshells, by submitting a multipart/form-data POST request to /workrelate/plan/util/uploaderOperate.jsp with arbitrary secId and plandetailid field values. Successful exploitation results in remote code execution under the privileges of the application server process. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14 (UTC).
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-07 15:40 UTC
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version CPE status
Weaver Network Co., Ltd. E-cology 9.0 Affected: 0 , < 10.52 (custom)
    cpe:2.3:a:weaver:e-cology:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-29 00:00
Credits
The Shadowserver Foundation
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 6c3f6269-c541-42e3-9a57-51d5d82e6ce1

Vulnerability ID: CVE-2022-4995

Status: Confirmed

Status Updated: 2026-09-04 00:00 UTC

Exploited: Yes

Characteristics
Severity: 98.0
Timestamps
First Seen: 2026-08-30
Asserted: 2026-08-30
Last Seen: 2026-09-04
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Weaver / E-cology | Class: other-software | Severity: Critical (CVSS 9.8) | IoT: no | In CISA KEV: no | Honeypot connections on 2026-09-04: 1
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class other-software
7D Avg 0
Vendor Weaver
30D Avg 0
90D Avg 0
Product E-cology
Cisa Kev no
Connections 1
Observation Date 2026-09-04
Vulnerability Class CVSS
Vulnerability Score 9.8
Vulnerability Severity Critical
References
Created: 2026-09-01 01:02 UTC | Updated: 2026-09-06 01:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 2a2f0387-3441-4fb7-afd8-d2d69ee60c64

Vulnerability ID: CVE-2022-4995

Status: Confirmed

Status Updated: 2026-08-14 17:10 UTC

Exploited: Yes

Timestamps
First Seen: 2026-08-14
Asserted: 2026-08-14
Scope
Notes: Weaver E-cology 9.0 File Upload RCE via uploaderOperate.jsp | Affected: Weaver Network Co., Ltd. / E-cology 9.0 | CVSS: 9.3 (CRITICAL) | EPSS: 0.00687 | 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 Weaver E-cology 9.0 File Upload RCE via uploaderOperate.jsp
Vendor Weaver Network Co., Ltd.
Product E-cology 9.0
Added Date 2026-08-14T17:10:46.107Z
Cvss Score 9.3
Epss Score 0.00687
Cvss Severity CRITICAL
Epss Percentile 0.49575
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-08-14 18:00 UTC | Updated: 2026-08-14 18:00 UTC
Show details on NVD website
To clipboard 

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        "assignerShortName": "VulnCheck",
        "cveId": "CVE-2022-4995",
        "datePublished": "2026-08-07T14:39:50.666Z",
        "dateReserved": "2026-08-07T14:25:28.342Z",
        "dateUpdated": "2026-08-07T18:56:19.446Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Tags
Taxonomy of the tags.





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.



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.