CVE-2020-8300 : Citrix ADC and Citrix/NetScaler Gateway before 13.0-82.41, 12.1-62.23, 11.1-65.2

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.

Published 2021-06-16 14:15:08

Updated 2022-09-20 17:23:31

Source HackerOne

View at NVD, CVE.org

Vulnerability category: BypassGain privilege

Products affected by CVE-2020-8300

Citrix » Application Delivery Controller Firmware
Versions from including (>=) 12.1 and before (<) 12.1-62.23
cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Citrix » Application Delivery Controller » Version: N/A
Citrix » Application Delivery Controller Firmware
Versions from including (>=) 12.1 and before (<) 12.1-55.238
cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Citrix » Mpx/sdx 14030 Fips » Version: N/A
When used together with: Citrix » Mpx/sdx 14060 Fips » Version: N/A
When used together with: Citrix » Mpx/sdx 14080 Fips » Version: N/A
When used together with: Citrix » Mpx 15030-50g Fips » Version: N/A
When used together with: Citrix » Mpx 15040-50g Fips » Version: N/A
When used together with: Citrix » Mpx 15060-50g Fips » Version: N/A
When used together with: Citrix » Mpx 15080-50g Fips » Version: N/A
When used together with: Citrix » Mpx 15100-50g Fips » Version: N/A
When used together with: Citrix » Mpx 15120-50g Fips » Version: N/A
When used together with: Citrix » Mpx 8905 Fips » Version: N/A
When used together with: Citrix » Mpx 8910 Fips » Version: N/A
When used together with: Citrix » Mpx 8920 Fips » Version: N/A
Citrix » Application Delivery Controller Firmware
Versions from including (>=) 13.0 and before (<) 13.0-82.41
cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Citrix » Application Delivery Controller » Version: N/A
Citrix » Application Delivery Controller Firmware
Versions from including (>=) 11.1 and before (<) 11.1-65.20
cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Citrix » Application Delivery Controller » Version: N/A
Citrix » Netscaler Gateway
Versions from including (>=) 11.1 and before (<) 11.1-65.20
cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*
Matching versions
Citrix » Gateway
Versions from including (>=) 12.1 and before (<) 12.1-62.23
cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:*
Matching versions
Citrix » Gateway
Versions from including (>=) 13.0 and before (<) 13.0-82.41
cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-8300

EPSS FAQ

0.08%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 30 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-8300

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE ids for CVE-2020-8300

CWE-284 Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Assigned by: support@hackerone.com (Secondary)

References for CVE-2020-8300

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

Citrix Application Delivery Controller, Citrix Gateway, and Citrix SD-WAN WANOP Edition appliance Security Update
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2020-8300

Products affected by CVE-2020-8300

Exploit prediction scoring system (EPSS) score for CVE-2020-8300

CVSS scores for CVE-2020-8300

CWE ids for CVE-2020-8300

References for CVE-2020-8300