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TI-2026-84164 Aliases CVE-2026-16900GHSA-r4p6-57j4-fc8p

Authentication bypass in ManageEngine Log360 and EventLog Analyzer

Priority MEDIUM 42CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

Zohocorp ManageEngine Log360 and EventLog Analyzer versions before 13071 contain an authentication bypass in local collector registration (CWE-284, Improper Access Control). An unauthenticated remote attacker can register a local collector by sending a specially crafted registration request. The impact is high confidentiality loss.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Description from the CNA

Zohocorp ManageEngine Log360 and EventLog Analyzer versions 13071 and below are vulnerable to an authentication bypass in local collector registration, allowing unauthenticated actor to register a local collector by sending a specially crafted registration request.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01539 75th percentileScored 2026-11-07
Fix Fixed Log360 (Zohocorp): 13071EventLog Analyzer (Zohocorp): 13071

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ZohocorpLog360before 1307113071Patch availableCNA
ZohocorpEventLog Analyzerbefore 1307113071Patch availableCNA
  • Log360 VendorZohocorp Affected before 13071 Fixed in 13071 Patch available CNA
  • EventLog Analyzer VendorZohocorp Affected before 13071 Fixed in 13071 Patch available CNA

Remediation

Update Log360 to version 13071, the fixed version. Update EventLog Analyzer to version 13071, the fixed version.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

  • Fix · CNA Log360 (Zohocorp) Fixed in 13071
  • Fix · CNA EventLog Analyzer (Zohocorp) Fixed in 13071

Timeline

  1. 2026-11-03 Threatist record created from CVE-2026-16900
  2. 2026-11-03 Alias added: GHSA-r4p6-57j4-fc8p
  3. 2026-11-03 CISA SSVC decision points changed
  4. 2026-11-03 Priority changed: MEDIUM → LOW
  5. 2026-11-04 Priority changed: LOW → MEDIUM

References

Other 1

  • TI-2022-23765 Multiple Zoho ManageEngine on-premise products, such as ServiceDesk Plus through 14003… KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-15981 Zoho ManageEngine Password Manager Pro before 12101 and PAM360 before 5510 are vulnerable… KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-20117 Zoho ManageEngine Desktop Central is vulnerable to authentication bypass, leading to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-19808 Zoho ManageEngine ServiceDesk Plus before 11306, ServiceDesk Plus MSP before 10530, and… KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-17574 Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API… KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-15358 Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass… KEVCVSS 3.1CRITICAL 9.8
See all 611 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences