CVE-2020-8257
Improper privilege management on services run by Citrix Gateway Plug-in for Windows, versions...
Improper privilege management on services run by Citrix Gateway Plug-in for Windows, versions before and including 13.0-61.48 and 12.1-58.15, lead to privilege escalation attacks
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Improper privilege management on services run by Citrix Gateway Plug-in for Windows, versions before and including 13.0-61.48 and 12.1-58.15, lead to privilege escalation attacks
- Record
CVE-2020-8257- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-269
- Updated
- 2026-11-02
CVE List No score
Improper privilege management on services run by Citrix Gateway Plug-in for Windows, versions before and including 13.0-61.48 and 12.1-58.15, lead to privilege escalation attacks
- Record
CVE-2020-8257- Updated
- 2026-11-02
EUVDEUVD-2020-29127 No score
Improper privilege management on services run by Citrix Gateway Plug-in for Windows, versions before and including 13.0-61.48 and 12.1-58.15, lead to privilege escalation attacks
- Record
EUVD-2020-29127- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gjfx-fqhh-mx8f No score
Improper privilege management on services run by Citrix Gateway Plug-in for Windows, versions...
Improper privilege management on services run by Citrix Gateway Plug-in for Windows, versions before and including 13.0-61.48 and 12.1-58.15, lead to privilege escalation attacks
- Record
GHSA-gjfx-fqhh-mx8f- Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-8257 is a critical vulnerability (CVSS 9.8) in Citrix Gateway Plug-in, published December 14, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.65%, the 76th percentile. No source names a fixed version.