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CVE-2022-4995 – Unauthenticated Remote Code Execution (Arbitrary File Upload) – Weaver E-cology vers

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Summary

CVE-2022-4995 is an unrestricted file upload vulnerability (CWE-434) in Weaver E-cology that allows a remote, unauthenticated attacker to upload arbitrary files, including JSP webshells, leading to remote code execution. It affects Weaver E-cology 9.0 in versions prior to 10.52 and is rated critical.

Technical details

  • Root cause: The /workrelate/plan/util/uploaderOperate.jsp endpoint lacks proper authentication and file-type validation, permitting arbitrary file submissions.
  • Trigger conditions: An attacker sends a multipart/form-data POST request to the vulnerable endpoint with arbitrary secId and plandetailid values to upload a file.
  • Attack vector: Network — remote and unauthenticated; no user interaction required.
  • Impact: Upload of JSP webshells resulting in arbitrary code execution under the privileges of the application server, giving full compromise of confidentiality, integrity, and availability.

Affected software

  • Weaver E-cology 9.0, all versions prior to 10.52.

Severity

  • CVSS v3.1 base score: 9.8 (Critical) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVSS v4.0 base score: 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

Mitigation and recommended actions

  • Immediate: Upgrade Weaver E-cology to version 10.52 or later and apply the vendor’s security patches from the Weaver security download portal.
  • If no patch: Restrict internet access to the affected application, block or filter requests to /workrelate/plan/util/uploaderOperate.jsp at a WAF or reverse proxy, and monitor the upload directories for newly created JSP files.

How IONIX identifies potentially affected assets

IONIX matches the following signals against data already collected when it crawled the asset; identifying the technology sends no request beyond that crawl.

  • set-cookie response header: ecology_JSessionid=

References

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1

Map your entire attack surface (continously)

IONIX uses multi-factor discovery methods, including DNS analysis, certificate mapping, metadata inspection, and more, to automatically map every internet-facing asset across your environment. This includes cloud instances, third-party platforms, shadow IT, and even forgotten infrastructure that traditional tools miss.

2

Monitor for new CVEs

Dozens of threat intel feeds using agentic technology are continuously analyzed to detect the appearance of proof-of-concept code, exploit kits, and indicators of active targeting. IONIX goes further by applying AI to proactively evaluate whether emerging vulnerabilities are likely to be exploited, even before PoCs go public.

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Identify Potential External Exposures

Not all CVEs matter. IONIX filters vulnerabilities by asking attacker-centric questions: Can it be reached from the internet? Does it require authentication? Is it being exploited in the wild? This dramatically reduces noise and focuses teams on threats that can actually be weaponized.

4

Create Safe, Scalable Exploit Validations

IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

5

Execute Exploit Validations

By combining context about software stack, versioning, exposure status, and reachability, IONIX ensures that only the right payloads are executed against the right assets, maximizing efficiency and minimizing risk.

6

Drive Fast and Actionable Remediation

Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

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