CVE-2016-20097 (GCVE-0-2016-20097)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:10 – Updated: 2026-08-14 19:12 X_Known Exploited Vulnerability
VLAI Shadowserver Previdian
Title
Weaver E-cology 8.0 SQL Injection File Read via SignatureDownLoad
Summary
Weaver (Fanwei) E-cology 8.0 contains a SQL injection vulnerability in the SignatureDownLoad servlet that allows unauthenticated remote attackers to read arbitrary files by injecting a UNION SELECT payload into the markId GET parameter, which is concatenated unsanitized into a SQL query. Attackers can control the markPath value returned by the query to supply an attacker-controlled filesystem path, causing the servlet to read and stream back arbitrary files accessible to the application server process, including sensitive configuration files containing database credentials. Disclosure materials indicate that this vulnerability has been remediated, but it's unclear which version resolved the issue. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-18 (UTC).
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 19:12 UTC
CWE
  • CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
Impacted products
Vendor Product Version CPE status
Weaver Network Co., Ltd. E-cology 8.0 Unknown: 0 (custom)
guessed Create a notification for this product.
Date Public
2016-07-19 00:00
Credits
The Shadowserver Foundation
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 08dcde3a-d074-4b0a-bf41-b40c0a9e5469

Vulnerability ID: CVE-2016-20097

Status: Confirmed

Status Updated: 2026-09-01 00:36 UTC

Exploited: Yes

Characteristics
Severity: 75.0
Timestamps
First Seen: 2026-09-01
Asserted: 2026-09-01
Last Seen: 2026-09-01
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Weaver / Weaver E-cology | Class: other-software | Severity: High (CVSS 7.5) | IoT: no | In CISA KEV: no | Honeypot connections on 2026-09-01: 2
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 2
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 Weaver E-cology
Cisa Kev no
Connections 2
Observation Date 2026-09-01
Vulnerability Class CVSS
Vulnerability Score 7.5
Vulnerability Severity High
References
Created: 2026-09-03 01:01 UTC | Updated: 2026-09-03 01:01 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 291d5c17-eb75-41bf-914c-997e90612bc1

Vulnerability ID: CVE-2016-20097

Status: Confirmed

Status Updated: 2026-08-14 19:20 UTC

Exploited: Yes

Timestamps
First Seen: 2026-08-14
Asserted: 2026-08-14
Scope
Notes: Weaver E-cology 8.0 SQL Injection File Read via SignatureDownLoad | Affected: Weaver Network Co., Ltd. / E-cology 8.0 | CVSS: 8.7 (HIGH) | EPSS: 0.0047 | 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 8.0 SQL Injection File Read via SignatureDownLoad
Vendor Weaver Network Co., Ltd.
Product E-cology 8.0
Added Date 2026-08-14T19:20:24.767Z
Cvss Score 8.7
Epss Score 0.0047
Cvss Severity HIGH
Epss Percentile 0.38557
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-08-14 20:00 UTC | Updated: 2026-08-14 20:00 UTC
Show details on NVD website
To clipboard 

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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.



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.