What is the CVSS score of CVE-2020-8257?

CVE-2020-8257 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.6%.

Gateway Plug In CVE-2020-8257

CRITICAL

Improper Privilege Management (CWE-269)

2020-12-14 support@hackerone.com

Privilege Escalation Microsoft Citrix Gateway Plug In

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 14, 2020 - 20:15 nvd

CRITICAL 9.8

DescriptionNVD

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

AnalysisAI

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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. 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 Affected products include: Citrix Gateway Plug-In.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply principle of least privilege, validate privilege transitions, implement proper role separation.