CVE Tools
Sign in

CVE-2020-8300

Published: Jun 16, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-284
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
3.0%
Top 14.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

Description

Citrix ADC and Citrix/NetScaler Gateway before 13.0-82.41, 12.1-62.23, 11.1-65.20 and Citrix ADC 12.1-FIPS before 12.1-55.238 suffer from improper access control allowing SAML authentication hijack through a phishing attack to steal a valid user session. Note that Citrix ADC or Citrix Gateway must be configured as a SAML SP or a SAML IdP for this to be possible.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-284NVD-CWE-Other

Affected Products

Citrix ADC, Citrix Gatewayn/a
gatewaycitrix
SaaSSaaS Service
Cloud & SaaS / saas-application
netscaler gatewaycitrix
On-premSecurity Product
Networking Infrastructure
application delivery controller firmwarecitrix
SaaSFirmware
Cloud & SaaS
citrixcommercialUSCloud & SaaSaka xenserver, netscaler gateway firmware, application delivery controller firmware

Exploitability

Official Patch Available

References

https://support.citrix.com/article/CTX297155
support.citrix.com

Timeline

Published
Jun 16, 2021
Last Updated
Nov 21, 2024

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2020-8300 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows