Microsoft Exchange Outlook Web Access (OWA) in Microsoft Exchange Server 2010 Service…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
Microsoft Exchange Outlook Web Access (OWA) in Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 20, Microsoft Exchange Server 2013 Cumulative Update 18, Microsoft Exchange Server 2013 Cumulative Update 19, Microsoft Exchange Server 2013 Service Pack 1, Microsoft Exchange Server 2016 Cumulative Update 7, and Microsoft Exchange Server 2016 Cumulative Update 8 allows an elevation of privilege vulnerability due to how links in the body of an email message are rewritten, aka "Microsoft Exchange Elevation of Privilege Vulnerability".
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Microsoft Exchange Outlook Web Access (OWA) | Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 20, Microsoft Exchange Server 2013 Cumulative Update 18, Microsoft Exchange Server 2013 Cumulative Update 19, Microsoft Exchange Server 2013 Service Pack 1, Microsoft Exchange Server 2016 Cumulative Update 7, and Microsoft Exchange Server 2016 Cumulative Update 8 | — | No fix listed | CNA |
- Microsoft Exchange Outlook Web Access (OWA) VendorMicrosoft Affected Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 20, Microsoft Exchange Server 2013 Cumulative Update 18, Microsoft Exchange Server 2013 Cumulative Update 19, Microsoft Exchange Server 2013 Service Pack 1, Microsoft Exchange Server 2016 Cumulative Update 7, and Microsoft Exchange Server 2016 Cumulative Update 8 Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:exchange_server:2010:sp3_rollup20:*:*:*:*:*:* | 2010 sp3_rollup20 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_18:*:*:*:*:*:* | 2013 cumulative_update_18 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_19:*:*:*:*:*:* | 2013 cumulative_update_19 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2013:sp1:*:*:*:*:*:* | 2013 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_7:*:*:*:*:*:* | 2016 cumulative_update_7 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:* | 2016 cumulative_update_8 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:exchange_server:2010:sp3_rollup20:*:*:*:*:*:* Versions 2010 sp3_rollup20 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_18:*:*:*:*:*:* Versions 2013 cumulative_update_18 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_19:*:*:*:*:*:* Versions 2013 cumulative_update_19 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2013:sp1:*:*:*:*:*:* Versions 2013 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_7:*:*:*:*:*:* Versions 2016 cumulative_update_7 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:* Versions 2016 cumulative_update_8 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-0940
- 2026-10-03 Alias added: GHSA-272p-x79f-r2pc
More Microsoft Exchange Server vulnerabilities
- 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
Sources
- CVE-2018-0940 · CVE Program
- CVE-2018-0940 · NVD
- FIRST EPSS
- GHSA-272p-x79f-r2pc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences