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TI-2019-00579 Aliases CVE-2019-0817GHSA-85h3-h3xc-gj4h

A spoofing vulnerability exists in Microsoft Exchange Server when Outlook Web Access…

Priority LOW 29CWE-19Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A spoofing vulnerability exists in Microsoft Exchange Server when Outlook Web Access (OWA) fails to properly handle web requests, aka 'Microsoft Exchange Spoofing Vulnerability'. This CVE ID is unique from CVE-2019-0858.

Why it matters now

EPSS 0.0229 83rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Exchange Server2010 Service Pack 3; 2019—No fix listedCNA
MicrosoftMicrosoft Exchange Server 2016Cumulative Update 11; Cumulative Update 12—No fix listedCNA
MicrosoftMicrosoft Exchange Server 2013Cumulative Update 22—No fix listedCNA
MicrosoftMicrosoft Exchange Server 2019Cumulative Update 1—No fix listedCNA
  • Microsoft Exchange Server VendorMicrosoft Affected 2010 Service Pack 3; 2019 Fixed in — No fix listed CNA
  • Microsoft Exchange Server 2016 VendorMicrosoft Affected Cumulative Update 11; Cumulative Update 12 Fixed in — No fix listed CNA
  • Microsoft Exchange Server 2013 VendorMicrosoft Affected Cumulative Update 22 Fixed in — No fix listed CNA
  • Microsoft Exchange Server 2019 VendorMicrosoft Affected Cumulative Update 1 Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:exchange_server:2010:sp3:*:*:*:*:*:*2010 sp3VulnerableMicrosoft
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*2013 cumulative_update_22VulnerableMicrosoft
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*2016 cumulative_update_11VulnerableMicrosoft
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*2016 cumulative_update_12VulnerableMicrosoft
cpe:2.3:a:microsoft:exchange_server:2019:-:*:*:*:*:*:*2019VulnerableMicrosoft
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*2019 cumulative_update_1VulnerableMicrosoft
  • cpe:2.3:a:microsoft:exchange_server:2010:sp3:*:*:*:*:*:* Versions 2010 sp3 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:* Versions 2013 cumulative_update_22 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:* Versions 2016 cumulative_update_11 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:* Versions 2016 cumulative_update_12 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:exchange_server:2019:-:*:*:*:*:*:* Versions 2019 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:* Versions 2019 cumulative_update_1 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-0817
  2. 2026-10-03 Alias added: GHSA-85h3-h3xc-gj4h

References

  • TI-2024-14170 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-19610 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-13547 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-13502 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-08465 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-07929 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
See all 258 →

Sources