CVE-2020-8300

mediumpriority · track · 37EPSS 0.030 · 87 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

3.00% (87th) EPSS

CVSS 4.3 · medium

Is it mine?

8 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-24

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

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.16.2mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284US

exploits (1)

Public proof-of-concept and weaponised exploit code.

stuartcarroll/CitrixADC-CVE-2020-8300Detect Citrix ADC SAML action or SAML iDP Profile config vulnerable to CVE-2020-8300 using Citrix ADC NITRO APIPoC · poc_in_github

affected products (8)

Products and version ranges known to be affected.

n/a Citrix ADC, Citrix Gateway≤ Fixed in Citrix ADC and Citrix Gateway 13.0 before 13.0-82.41, Citrix ADC and Citrix Gateway 12.1 before 12.1-62.23, Citrix ADC and NetScaler Gateway 11.1 before 11.1-65.20, Citrix ADC 12.1-FIPS before 12.1-55.238enisa_euvdEU
citrix application delivery controller firmware11.1 → 11.1-65.20nvdUScpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix application delivery controller firmware12.1 → 12.1-55.238nvdUScpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix application delivery controller firmware12.1 → 12.1-62.23nvdUScpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix application delivery controller firmware13.0 → 13.0-82.41nvdUScpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix gateway12.1 → 12.1-62.23nvdUScpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:*
citrix gateway13.0 → 13.0-82.41nvdUScpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:*
citrix netscaler gateway11.1 → 11.1-65.20nvdUScpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-06-16modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan