Is CVE-2023-2806 actively exploited?

Yes. KEV Intelligence tracks CVE-2023-2806 as a known exploited vulnerability. Confidence is high.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2023-2806. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2023-2806 affects Weaver e-cology. Reported affected version: 9.0.

No. CVE-2023-2806 is not currently listed in CISA KEV.

Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2023-2806

Weaver e-cology API RequestInfoByXml xml external entity reference

Weaver / e-cology · 9.0

View live feed Monitor via API Watch CVE

Severity: CVSS 5.5 · Medium
Confidence: High
Exploit status: Exploited in the wild
EPSS: 1.0%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2023-2806 is Weaver e-cology API RequestInfoByXml xml external entity reference. A vulnerability classified as problematic was found in Weaver e-cology up to 9.0. Affected by this vulnerability is the function...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is high.

Who is affected?

Weaver / e-cology 9.0.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

A vulnerability classified as problematic was found in Weaver e-cology up to 9.0

A vulnerability classified as problematic was found in Weaver e-cology up to 9.0. Affected by this vulnerability is the function RequestInfoByXml of the component API. The manipulation leads to xml external entity reference. The associated identifier of this vulnerability is VDB-229411.

NOTE: The vendor was contacted early about this disclosure but did not respond in any way. In Weaver e-cology bis 9.0 wurde eine problematische Schwachstelle entdeckt. Das betrifft die Funktion RequestInfoByXml der Komponente API. Mittels Manipulieren mit unbekannten Daten kann eine xml external entity reference-Schwachstelle ausgenutzt werden.

Vendor Product Affected Status

Weaver e-cology 9.0 Affected

Published: 19 May 2023
Exploitation Reported: 19 May 2023
Attack vector: Adjacent
Complexity: Low
Privileges: Low
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2023-2806
Technical Description — vuldb.com vuldb.com · Technical Description https://vuldb.com/?id.229411
Signature — vuldb.com vuldb.com · Signature https://vuldb.com/?ctiid.229411
GitHub — Strangenees/e-cology github.com · Related https://github.com/Strangenees/e-cology/blob/main/main.md

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

The Shadowserver

Recorded 19 May 2023

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

Learn about Pro API access

Source	Added
The Shadowserver First	2023-05-19 08:31 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

5.5 Medium

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS

1.0%

Weaknesses

Improper Restriction of XML External Entity Reference CWE-611

All CVSS Scores

CVSS v3.1 5.5 Medium

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v3.0 5.5 Medium

CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 5.2 Medium

AV:A/AC:L/Au:S/C:P/I:P/A:P

Timeline

From disclosure to observed exploitation

19 May 2023
CVE published

Vulnerability disclosed publicly
19 May 2023
Added to KEV Intelligence KEV Feed

High-confidence, third-party attested exploitation
19 May 2023
CVE ID reserved

Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

View Pro pricing Read API docs

Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2023-2806

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2023-2806",
  "confidence": "High",
  "cvss_score": 5.5,
  "cvss_estimated": false,
  "epss_score": 0.00984,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

Early warning alerts

Get alerts on high-impact exploitation

Receive curator-selected alerts when exploitation activity warrants attention. Each alert includes the evidence and context needed to decide what requires attention now.