Skip to content
Weekly Signal
Live intelligence Updated 21 Aug 2026 · 22:11 UTC

Zoho, Zohocorp · ManageEngine, Manageengine Servicedesk Plus

CVE-2019-8394

Zoho ManageEngine ServiceDesk Plus (SDP) File Upload Vulnerability

Recommended action

Validate affected assets and exposure now, then remediate on an accelerated schedule. Apply updates per vendor instructions.

View response plan
CVSS6.5
EPSS63.3%
KEVYes
ExploitationConfirmed exploitation
RemediationFixed release identified ↓

Assessment

Why it matters

CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 63.3%; technical severity is CVSS 6.5.

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

Who should care

  • Teams operating ManageEngine, Manageengine Servicedesk Plus
  • Vulnerability and exposure management teams
  • Security operations teams monitoring exploitation activity

Response plan

What I would do

  1. Confirm whether ManageEngine, Manageengine Servicedesk Plus is present in the environment.
  2. Identify affected versions and establish whether vulnerable services are exposed or reachable.
  3. Apply updates per vendor instructions.
  4. Review relevant security telemetry for evidence of attempted or successful exploitation.
  5. Document the remediation decision and track it to verified completion.

Treatment intelligence

Remediation intelligence

Not yet verified

Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.

Verification noteAutomated link verification has not completed for this guidance yet.

Technical details

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE
CWE-434
Affected versions
Zoho ManageEngine; Zohocorp Manageengine Servicedesk Plus (End Excluding 10.0.0 | Version 10.0.0 | Version 10.0.0 | Version 10.0.0)
Fixed versions
Zohocorp Manageengine Servicedesk Plus (Fixed from 10.0.0)
Published
17 February 2019
Attack vector
Network
Privileges required
Low
User interaction
None

Signal timeline

  1. CVE published
  2. Added to CISA KEV
  3. Latest EPSS score: 63.3%
  4. Signal calculated at 77

External references

Live public intelligence This assessment combines public-source evidence. Validate the affected product, version and exposure against your own environment before making a risk decision.