Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2019-8394

ManageEngine ServiceDesk Plus

Zoho / ManageEngine ServiceDesk Plus

Watch CVE-2019-8394 Browse KEV feed
Severity
CVSS 6.5 · Medium
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
63.3%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2019-8394 is a vulnerability affecting Zoho ManageEngine ServiceDesk Plus. Zoho ManageEngine ServiceDesk Plus (SDP) before 10.0 build 10012 allows remote attackers to upload arbitrary files via login page...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is confirmed. Listed in CISA KEV.

Who is affected?

Zoho / ManageEngine ServiceDesk Plus.

What should we do?

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

Overview

ManageEngine ServiceDesk Plus

Zoho ManageEngine ServiceDesk Plus (SDP) before 10.0 build 10012 allows remote attackers to upload arbitrary files via login page customization.

Published
17 Feb 2019
Exploitation Reported
03 Nov 2021
Attack vector
Remote
Complexity
Low
Privileges
Low
User interaction
None

Tags

cisa

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2019-8394
  • 46413 exploit-db.com · Exploit https://www.exploit-db.com/exploits/46413/
  • 107129 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/107129
  • manageengine.com/products/service-desk/readme.html manageengine.com · CVE Record https://www.manageengine.com/products/service-desk/readme.html

Exploitation evidence

Why Previdian 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

CISA

Recorded 03 Nov 2021

A trusted third party reported exploitation.

Known exploited vulnerability sources

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

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Source Added
CISA First 2021-11-03 00:00 UTC

Detection

Operational artifacts and observed signals

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

Observed signals

Request targets
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No Previdian 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

6.5 Medium

Potential damage if exploited. Separate from whether attackers are using it.

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

EPSS

63.3%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Unrestricted Upload of File with Dangerous Type CWE-434

All CVSS Scores

CVSS v3.1 6.5 Medium

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

CVSS v2.0 4.0 Medium

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

Timeline

From disclosure to observed exploitation

  1. 00:00 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  2. 04:00 UTC

    CVE published

    Vulnerability disclosed publicly

  3. 00:00 UTC

    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.

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  • 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-2019-8394

Sample API response 
{
  "cve_id": "CVE-2019-8394",
  "confidence": "Confirmed",
  "cvss_score": 6.5,
  "cvss_estimated": false,
  "epss_score": 0.63336,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}