CVE-2020-8300: citrix application_delivery_controller Improper Access Control
Vulnerability summary
CVE-2020-8300 is a medium (CVSS 6.5) Improper Access Control vulnerability in citrix application_delivery_controller. EPSS estimates a 3.00% chance of exploitation in the next 30 days, higher than 87.1% of scored vulnerabilities.
Timeline
- 16-06-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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 metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
3.00%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
0.00 pp
From 3.00% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Citrix3 products
- application_delivery_controller≥ 11.1, < 11.1-65.20 | ≥ 12.1, < 12.1-62.23 | ≥ 13.0, < 13.0-82.41 | ≥ 12.1, < 12.1-55.238
- gateway≥ 12.1, < 12.1-62.23 | ≥ 13.0, < 13.0-82.41
- netscaler_gateway≥ 11.1, < 11.1-65.20
1 vendor · 3 products