CVE-2020-17147
Dynamics CRM Webclient Cross-site Scripting Vulnerability
Dynamics CRM Webclient Cross-site Scripting Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Dynamics CRM Webclient Cross-site Scripting Vulnerability
Dynamics CRM Webclient Cross-site Scripting Vulnerability
- Record
CVE-2020-17147- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2020-9101
Dynamics CRM Webclient Cross-site Scripting Vulnerability
- Record
EUVD-2020-9101- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-25r5-g9mw-wmpc
, aka 'Dynamics CRM Webclient Cross-site Scripting Vulnerability'.
, aka 'Dynamics CRM Webclient Cross-site Scripting Vulnerability'.
- Record
GHSA-25r5-g9mw-wmpc- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Dynamics CRM Webclient Cross-site Scripting Vulnerability
- Record
CVE-2020-17147- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-17147 is a high vulnerability (CVSS 8.7) in Microsoft Dynamics 365, published December 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.40%, the 72nd percentile. No source names a fixed version.