CVE-2021-48013

waiting for further signalsZero needs more public information before it can validate it.

GHSA-ggh3-mmrr-r9c4 ↗EUVD-2021-34896 ↗

no check availablenot proven exploitable
cve.orgpublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).+0mkevAttacks confirmed in the real world.0d
Weaver Network Co., Ltd. E-cology 8.0
ETK-2026-2456Zero's internal tracking ID, independent of the CVE number., permanent identifier
3h 10msince last run
17mAI analysisAnalysis: how long the AI spent reversing this signal.
timeline
0 = trigger signal
trigger signal +0hcve.org publication+10h57mpublic pocwaiting for further signals+15h40mkev+24h
0
+3h
+6h
+9h

description

E-cology 8.0 is affected by a path traversal flaw in its file-download endpoint. An unauthenticated remote attacker may read files accessible to the application server when the affected endpoint is exposed.

mitigation

Restrict public access to the affected file-download endpoint, require authentication where possible, and disable or filter the functionality to reject traversal attempts. Apply a vendor-provided update when one becomes available.

check
no
exploit
no
automationDeterministic: a check that runs on its own, the same request on every target. Contextual: an agentic technique that needs to be applied per target, for bugs that depend on contextual flows.
–
auth requiredWhether an attacker needs an account first, based on the CVSS vector's Privileges Required.
no
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
–
agent run time
17m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-22 10:57Z
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
+0m
Δ to kevAttacks confirmed in the real world.
0d

outcome

No artifact: no remotely reachable path found.

source signals

Public signals that triggered or updated the pipeline. These are inputs for the deltas above.

  1. 2026-10-22
    vulncheck_kev: trigger signal, started the run
  2. 2026-10-22 00:00Z
  3. 2026-10-22 10:57Z
  4. 2026-10-22 15:46Z

this entry in the feed

GET /api/v1/feed/CVE-2021-48013

{
  "etk_id": "ETK-2026-2456",
  "cve_id": "CVE-2021-48013",
  "display_id": "CVE-2021-48013",
  "ghsa_id": "GHSA-ggh3-mmrr-r9c4",
  "euvd_id": "EUVD-2021-34896",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated path traversal in E-cology file download",
  "summary": "E-cology 8.0 is affected by a path traversal flaw in its file-download endpoint. An unauthenticated remote attacker may read files accessible to the application server when the affected endpoint is exposed.",
  "mitigation": "Restrict public access to the affected file-download endpoint, require authentication where possible, and disable or filter the functionality to reject traversal attempts. Apply a vendor-provided update when one becomes available.",
  "vendor": "Weaver Network Co., Ltd.",
  "product": "E-cology",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "8.0"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "E-cology",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 8.7,
  "cvss_src": "other",
  "cvss_vector": "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",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": null,
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 16.553304533333332,
  "t0_at": "2026-10-22T10:57:29.018000+00:00",
  "signals": {
    "kev": {
      "at": "2026-10-22T00:00:00+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-22T10:57:29.018000+00:00",
      "precision": "day",
      "url": "https://vulncheck.com/cve/CVE-2021-48013"
    },
    "public_poc": {
      "at": "2026-10-22T10:57:29.018000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-22T10:57:29.018000+00:00",
      "url": "https://github.com/PeiQi0/PeiQi-WIKI-Book/blob/main/docs/wiki/oa/%E6%B3%9B%E5%BE%AEOA/%E6%B3%9B%E5%BE%AEOA%20E-Weaver%20ln.FileDownload%20%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E.md"
    },
    "trigger_signal": {
      "at": "2026-10-22T00:00:00+00:00",
      "days": -0.4565858564814815,
      "is_lower_bound": false,
      "measured_at": "2026-10-22T10:57:29.018000+00:00",
      "url": "https://vulncheck.com/cve/CVE-2021-48013"
    }
  }
}

published 2026-10-22 15:22Z
last change 2026-10-22 16:48Z

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