CVE-2020-8257
CVE-2020-8257 is a critical-severity vulnerability in Citrix Gateway Plug-in with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-269
- Affected product: Citrix Gateway Plug-in
- Published:
- Last modified:
Description
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
Frequently asked questions
- What is CVE-2020-8257?
- 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
- How severe is CVE-2020-8257?
- CVE-2020-8257 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-8257 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8257?
- CVE-2020-8257 affects Citrix Gateway Plug-in. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-8257?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-8257 published?
- CVE-2020-8257 was published on 2020-12-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:citrix:gateway_plug-in:*:*:*:*:*:windows:*:*
More vulnerabilities in Citrix Gateway Plug-in
- CVE-2020-8258 — High (CVSS 7.5): Improper privilege management on services run by Citrix Gateway Plug-in for Windows, versions before and including…
- CVE-2022-21827 — High (CVSS 7.1): An improper privilege vulnerability has been discovered in Citrix Gateway Plug-in for Windows (Citrix Secure Access for…
All CVEs affecting Citrix Gateway Plug-in →
Other CWE-269 (Improper Privilege Management) vulnerabilities
- CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
- CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
- CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
- CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a possible way to access adb before SUW…
- CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege
- CVE-2023-31273 — Critical (CVSS 10.0): Protection mechanism failure in some Intel DCM software before version 5.2 may allow an unauthenticated user to…
Browse all CWE-269 (Improper Privilege Management) vulnerabilities →